Organ-specific histology — Flashcards
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follicular cells of thyroid
olfactory epithelium
Pacinian corpuscle
Give two other notable blood barriers similar to the blood-brain barrier.
Which part of the pituitary is endocrine tissue?
Type III collagen is found in what tissues?
What kind of intermediate filament is associated with muscle tissue?
Which anterior pituitary hormones are acidophilic on histological preparation? _____
What general locations make up the epithelial components of the breast? 1. _____ 2. _____ 3. _____
The large intestine is characterized histologically by abundant _____ cells
Organ-specific histology US Medical PG Flashcards - Medical Study Cards
Master Organ-specific histology with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Organ-specific histology Flashcard Deck - 138 Cards
Flashcard 1: follicular cells of thyroid
Answer: endoderm
Flashcard 2: olfactory epithelium
Answer: surface ectoderm
Flashcard 3: Pacinian corpuscle
Answer: large, myelinated
Extra: deep skin layers, ligaments, joints vibration, pressure mnemonic: Pacinian Pussy Pressure
Flashcard 4: Give two other notable blood barriers similar to the blood-brain barrier.
Answer: - blood-testis barrier - maternal-fetal barrier of placenta
Flashcard 5: Which part of the pituitary is endocrine tissue?
Answer: anterior aka adenohypophysis mnemonic: Adeno is Anterior (adeno means glandular)
Flashcard 6: Type III collagen is found in what tissues?
Answer: reticulin (present in blood vessels, granulation tissue, uterus, fetus) mnemonic: Be So Totally Cool, Read Books
Flashcard 7: What kind of intermediate filament is associated with muscle tissue?
Answer: desmin
Flashcard 8: Which anterior pituitary hormones are acidophilic on histological preparation? _____
Answer: GH, Prolactin
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/endocrine-system?index=21] https://onlinemeded.org/spa/endocrinology?ref=anki
Flashcard 9: What general locations make up the epithelial components of the breast? 1. _____ 2. _____ 3. _____
Answer: Lobule
Extra: https://onlinemeded.org?ref=anki
Flashcard 10: The large intestine is characterized histologically by abundant _____ cells
Answer: goblet
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=12] https://onlinemeded.org?ref=anki Atlas: Esophagus Stomach Small intestine Colon
Flashcard 11: The mucosa of the gut wall consists of three layers: a(n) _____, lamina propria, and muscularis mucosa
Answer: epithelium
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 12: The surface of the stomach is marked histologically by closely spaced grooves called gastric _____, into which several gastric glands secrete
Answer: pits
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=6] https://onlinemeded.org?ref=anki Atlas: Esophagus Stomach Small intestine Colon
Flashcard 13: The middle layer of the ovary is the _____, which contains a mixture of cell types
Answer: medulla
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/female-reproductive-system?index=2] https://onlinemeded.org?ref=anki
Flashcard 14: What is the location of germ cells and Sertoli cells in relation to the seminiferous tubules? _____
Answer: Form the lining
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/male-reproductive-system?index=4] https://onlinemeded.org/spa/endocrinology?ref=anki
Flashcard 15: The inner layer of lymph nodes is the _____, which consists of medullary cords and sinuses
Answer: medulla
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=6] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 16: The _____ is the functional unit of the breast; lobules make milk that drains via ducts to nipple
Answer: terminal duct-lobular unit (TDLU)
Extra: https://onlinemeded.org/spa/crash-course-in-medicine/introduction/acquire?ref=anki
Flashcard 17: Which gut wall layer contains Auerbach's plexus? _____
Answer: Muscularis externa
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 18: The _____ surface of hepatocytes faces sinusoids
Answer: basolateral
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/liver-gallbladder-pancreas?index=5] https://onlinemeded.org?ref=anki Atlas:
Flashcard 19: What is the location of Leydig cells in relation to the seminiferous tubules? _____
Answer: Present in the interstitium
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/male-reproductive-system?index=5] https://onlinemeded.org?ref=anki
Flashcard 20: Juxtaglomerular (JG) cells are modified _____ cells of the afferent arteriole
Answer: smooth muscle
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/renin-angiotensin-aldosterone-system?index=2] https://onlinemeded.org/spa/nephrology?ref=anki Other:
Flashcard 21: The _____ nerve plexus lies between the circular and longitudinal muscles layers of the gut wall
Answer: myenteric (Auerbach)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 22: What is location of the delta cells in the islet of Langerhans? _____
Answer: Interspersed between alpha and beta cells
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/endocrine-system?index=3] https://onlinemeded.org/spa/surgery-general/pancreas/acquire?ref=anki Atlas:
Flashcard 23: Where in the lymph node do B-cells localize and proliferate? _____
Answer: Follicles (outer cortex)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=6] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 24: The outer region of the kidney is the _____
Answer: cortex
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/anatomy-and-embryology?index=6] https://onlinemeded.org/spa/nephrology?ref=anki
Flashcard 25: External to the mucosal layer of the gut wall is the _____
Answer: submucosa
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 26: Where in the respiratory tract do cilia terminate? _____
Answer: Respiratory bronchioles
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/introduction-to-the-respiratory-system?index=2] https://onlinemeded.org/spa/pulmonology?ref=anki
Flashcard 27: Where in the spleen are B-cells found? _____
Answer: Follicles (white pulp)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=4] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 28: Within the space of Disse are stellate (Ito) cells, which store _____ when quiescent
Answer: vitamin A
Extra: Watch Vitamin A [https://dashboard.sketchy.com/study/medical/courses/medical-biochemistry/units/medical-biochemistry-vitamins-minerals/videos/medical-biochemistry-vitamins-and-minerals-fat-soluble-vitamins-vitamin-a?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=14] https://onlinemeded.org?ref=anki Atlas:
Flashcard 29: The outer, and largest, layer of the ovary is the _____, which contains all the oocytes enclosed in a follicle
Answer: cortex
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/female-reproductive-system?index=2] https://onlinemeded.org?ref=anki
Flashcard 30: In normal pancreatic histology, Islets of Langerhans (contains endocrine cells) appear _____ compared to acinar cells (exocrine cells)
Answer: pale
Extra: * due to decreased size and number of islets from the autoimmune process * The histology below pancreatic slide showing healthy Islets of Langerhans (cluster of cells) (1), which contain β cells to produce insulin https://onlinemeded.org/spa/endocrine/diabetes/acquire?ref=anki
Flashcard 31: Which layer of the retina absorbs stray light and prevents scatter of light? _____
Answer: Pigment epithelial layer
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/eyes?index=11] https://onlinemeded.org/spa/pediatrics/ophthalmology/acquire?ref=anki
Flashcard 32: The innermost layer of the gut wall is the _____
Answer: mucosa
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 33: The PALS and lymphoid follicles of the spleen constitute the _____ pulp
Answer: white
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=4] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 34: Which gut wall layers are involved in a false diverticulum (pseudodiverticulum)? _____
Answer: Mucosa and submucosa
Extra: Watch Large Bowel & Appendiceal Disorders [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-gi/videos/medical-pathophysiology-gi-colorectal-and-anal-disorders-large-bowel-and-appendiceal-disorders?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/colorectal-pathology?index=6] https://onlinemeded.org?ref=anki Atlas:
Flashcard 35: In the juxtamedullary nephrons, the peritubular capillaries give off _____ which run parallel to the loop of Henle
Answer: vasa recta (straight arterioles)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/anatomy-and-embryology?index=6] https://onlinemeded.org/spa/renal?ref=anki Atlas:
Flashcard 36: Splenic sinusoids are long, vascular channels with fenestrated basement membranes that constitute the _____ pulp
Answer: red
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=4] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 37: The nuclei of photoreceptors are contained in the _____ layer of the retina
Answer: outer nuclear
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/eyes?index=10] https://onlinemeded.org/spa/pediatrics/ophthalmology/acquire?ref=anki
Flashcard 38: The muscularis externa of the gut wall consists of an inner _____ and an outer _____ muscle layer
Answer: circular
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 39: Where in the testis does spermatogenesis occur? _____
Answer: Seminiferous tubules
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/male-reproductive-system?index=1] https://onlinemeded.org?ref=anki
Flashcard 40: The adrenal medulla is in the _____ zone of the adrenal gland and composes approximately 20% of the glandular tissue
Answer: inner
Extra: Watch Pheochromocytoma & Neuroblastoma [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-endocrine/videos/medical-pathophysiology-endocrine-adrenal-disorders-pheochromocytoma-and-neuroblastoma?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/endocrine-system?index=4] https://onlinemeded.org/spa/endocrinology/adrenals/acquire?ref=anki Atlas:
Flashcard 41: Does the large intestine contain crypts of Lieberkühn? _____
Answer: Yes
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=12] https://onlinemeded.org?ref=anki
Flashcard 42: The chief cells of the stomach stain _____-philic
Answer: baso
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=7] https://onlinemeded.org?ref=anki Atlas: Esophagus Stomach Small intestine Colon
Flashcard 43: Which region of the lymph node is immediately adjacent to the follicle? _____
Answer: Mantle zone
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/hematology-and-oncology/videos/leukemias-and-lymphomas?index=10] https://onlinemeded.org/spa/hematology-oncology/lymphoma/acquire?ref=anki Atlas: Other:
Flashcard 44: The _____ is the region of a lymph node between follicles and medulla
Answer: paracortex
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=6] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 45: The lobules and ducts of breast tissue are lined by _____ layers of epithelium
Answer: two
Extra: https://onlinemeded.org/spa/crash-course-in-medicine/introduction/acquire?ref=anki
Flashcard 46: _____ are eosinophilic areas in the thymus composed of epithelial reticular cells
Answer: Hassall's corpuscles
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/lymphatic-system?index=5] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 47: Club cells are located in the _____
Answer: bronchioles
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/respiratory-system?index=7] https://onlinemeded.org/spa/pulmonology?ref=anki
Flashcard 48: The outermost layer of the gut wall is the _____ (when intraperitoneal)
Answer: serosa
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 49: Within the spleen, central arterioles are surrounded by _____
Answer: periarterial lymphatic sheaths (PALS)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=4] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 50: Which part of the small intestine contains the largest number of goblet cells? _____
Answer: Ileum
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=12] https://onlinemeded.org?ref=anki Atlas: Esophagus Stomach Small intestine Colon
Flashcard 51: Does the large intestine contain villi? _____
Answer: No
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=12] https://onlinemeded.org?ref=anki Atlas: Esophagus Stomach Small intestine Colon
Flashcard 52: Do the alveolar ducts and/or sacs have cilia? _____
Answer: No
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/introduction-to-the-respiratory-system?index=2] https://onlinemeded.org/spa/pulmonology?ref=anki
Flashcard 53: What are the darker areas on the corner of each hexagon (liver)? _____
Answer: Portal triads
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=14] https://onlinemeded.org?ref=anki Atlas:
Flashcard 54: The _____ is a narrow space between hepatocytes and the endothelial lining of sinusoids
Answer: space of Disse
Extra: Watch Cirrhosis Pathogenesis & Clinical Manifestations [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pediatrics-hepatobiliary/videos/medical-pathophysiology-hepatobiliary-liver-disease-cirrhosis-pathogenesis-and-clinical-manifestations?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=14] https://onlinemeded.org?ref=anki Atlas:
Flashcard 55: Where in the lymph node do T-cells localize and proliferate? _____
Answer: Paracortex
Extra: https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 56: At the beginning of the distal convoluted tubule, glomerular filtrate passes the _____
Answer: macula densa
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/anatomy-and-embryology?index=6] https://onlinemeded.org/spa/nephrology?ref=anki Atlas:
Flashcard 57: Mucus is secreted into the GI tract via _____ glands in the duodenum
Answer: Brunner
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/physiology?index=6] https://onlinemeded.org/spa/gastroenterology?ref=anki
Flashcard 58: The outer cell layer of breast is the _____ cell layer
Answer: myoepithelial
Extra: https://onlinemeded.org/spa/crash-course-in-medicine/introduction/acquire?ref=anki
Flashcard 59: Which area of the cervix is especially targeted by HPV? _____
Answer: Transformation zone
Extra: https://onlinemeded.org/spa/gynecology/cervical-cancer/acquire?ref=anki
Flashcard 60: The outer cortex of a lymph node contains aggregates of cells called _____
Answer: follicles
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/immunology/videos/lymphoid-tissue?index=6] https://onlinemeded.org/spa/immunology?ref=anki Atlas:
Flashcard 61: The _____ of the thymus is pale and comprised of mature T cells and Hassall corpuscles
Answer: medulla
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/lymphatic-system?index=5] https://onlinemeded.org/spa/immunology/t-cell-maturation/acquire?ref=anki Atlas:
Flashcard 62: The male gonads consist of three cell types: _____ cells, _____ cells, and _____ cells
Answer: germ
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/male-reproductive-system?index=2] https://onlinemeded.org/spa/endocrinology?ref=anki
Flashcard 63: Terminal branches of portal veins connect with hepatic sinusoids that converge toward a(n) _____ vein
Answer: terminal hepatic (central)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=14] https://onlinemeded.org?ref=anki Atlas:
Flashcard 64: The cysts in medullary sponge kidney develop in the _____ duct
Answer: terminal collecting
Extra: Watch Congenital & Cystic Kidney Disease [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-renal/videos/medical-pathophysiology-renal-congenital-and-chronic-kidney-disease-congenital-and-cystic-kidney-disease?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] https://onlinemeded.org/spa/renal?ref=anki
Flashcard 65: What histologic feature distinguishes the duodenum from other parts of the small intestine? _____
Answer: Brunner glands (in submucosa)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gastroenterology/videos/visceral-anatomy?index=12] https://onlinemeded.org?ref=anki Atlas: Esophagus Stomach Small intestine Colon
Flashcard 66: Superficial cortical nephrons have glomeruli located in the outer cortex and have a relatively _____ loop of Henle
Answer: short
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/anatomy-and-embryology?index=6] https://onlinemeded.org/spa/renal?ref=anki Atlas:
Flashcard 67: The inner cell layer of breast tissue is the _____ cell layer
Answer: luminal (epithelial)
Extra: https://onlinemeded.org/spa/crash-course-in-medicine/introduction/acquire?ref=anki
Flashcard 68: The _____ nerve plexus lies between the submucosa and inner circular muscle layer of the gut wall
Answer: submucosal (Meissner)
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/gastrointestinal-tract?index=3] https://onlinemeded.org?ref=anki
Flashcard 69: Outer adrenal cortex = _____ Middle adrenal cortex = _____ Inner adrenal cortex = _____
Answer: zona glomerulosa
Extra: https://onlinemeded.org/spa/endocrinology/adrenals/acquire?ref=anki
Flashcard 70: The endocrine cells of the pancreas are arranged in clusters called the _____, which compose 1% to 2% of the pancreatic mass
Answer: islets of Langerhans
Flashcard 71: The PALS and lymphoid follicles of the spleen constitute the _____ pulp
Answer: white
Flashcard 72: What are the darker areas on the corner of each hexagon (liver)? _____
Answer: Portal triads
Flashcard 73: What type of epithelium lines the small and large intestine?_____
Answer: Simple columnar epithelium
Flashcard 74: What histologic feature distinguishes the jejunum from other parts of the small intestine?_____
Answer: Plicae circulares
Flashcard 75: Which gut wall layer contains Auerbach's plexus? _____
Answer: Muscularis externa
Flashcard 76: What is at the center of each hexagon (liver)?_____
Answer: Terminal Hepatic Venule (Central veins)
Flashcard 77: Where are the stem cells of the small intestine located?_____
Answer: crypts of Lieberkhn (specific name)
Flashcard 78: What is the location of germ cells and Sertoli cells in relation to the seminiferous tubules? _____
Answer: Form the lining
Flashcard 79: The surface of the stomach is marked histologically by closely spaced grooves called gastric _____, into which several gastric glands secrete
Answer: pits
Flashcard 80: Terminal branches of portal veins connect with hepatic sinusoids that converge toward a _____ vein
Answer: terminal hepatic (central)
Flashcard 81: The inner and outer hair cells of the organ of Corti have _____, which are embedded in the tectorial membrane
Answer: sterocilia
Flashcard 82: The lower two-thirds of the esophagus are composed of _____ muscle
Answer: smooth
Flashcard 83: One component of the glomerular filtration barrier is a _____ membrane
Answer: basement
Flashcard 84: Zone II of the liver is the _____ zone
Answer: intermediate
Flashcard 85: Club cells are located in the _____
Answer: bronchioles
Flashcard 86: The _____ zone of the lung consists of the respiratory bronchioles, alveolar ducts, and alveolar sacs
Answer: respiratory
Flashcard 87: What histologic feature distinguishes the ileum from other parts of the small intestine?_____
Answer: Peyer patches
Flashcard 88: The ectocervix is lined by _____ epithelium
Answer: non-keratinized stratified squamous
Flashcard 89: _____ cells are non-ciliated, low columnar/cuboidal cells with secretory granules in the lung
Answer: Club (Clara)
Flashcard 90: The middle layer of the ovary is the _____, which contains a mixture of cell types
Answer: medulla
Flashcard 91: The _____ surface of hepatocytes faces bile canaliculi
Answer: apical
Flashcard 92: Where in the lymph node do T-cells localize and proliferate? _____
Answer: Paracortex
Flashcard 93: At the beginning of the distal convoluted tubule, glomerular filtrate passes the _____
Answer: macula densa
Flashcard 94: The adrenal medulla is in the _____ zone of the adrenal gland and composes approximately 20% of the glandular tissue
Answer: inner
Flashcard 95: What histologic feature distinguishes the duodenum from other parts of the small intestine?_____
Answer: Brunner glands (in submucosa)
Flashcard 96: Which gut wall layer contains Meissner's plexus? _____
Answer: Submucosa
Flashcard 97: Where in the spleen are B-cells found?_____
Answer: Follicles (white pulp)
Flashcard 98: The gastric _____ of the stomach contain the mucous cells, chief cells, and parietal cells
Answer: glands
Flashcard 99: External to the submucosal layer of the gut wall is the _____
Answer: muscularis externa
Flashcard 100: Do the alveolar ducts and/or sacs have cilia? _____
Answer: No
Flashcard 101: The _____ surface of hepatocytes faces sinusoids
Answer: basolateral
Flashcard 102: In between the red and white pulp of the spleen is the _____, which contains macrophages and specialized B cells (post-follicular memory B cells)
Answer: marginal zone
Flashcard 103: What is the location of Leydig cells in relation to the seminiferous tubules?_____
Answer: Present in the interstitium
Flashcard 104: What are the two main cell types of the late distal tubule and collecting duct? _____
Answer: Principal cells, -intercalated cells
Flashcard 105: _____ are eosinophilic areas in the thymus composed of epithelial reticular cells
Answer: Hassall's corpuscles
Flashcard 106: The _____ is the region of a lymph node between follicles and medulla
Answer: paracortex
Flashcard 107: The _____ is a narrow space between hepatocytes and the endothelial lining of sinusoids
Answer: space of Disse
Flashcard 108: Type _____ pneumocytes line the alveoli (97% of alveolar surfaces)
Answer: I
Flashcard 109: The lobules and ducts of breast tissue are lined by _____ layers of epithelium
Answer: two
Flashcard 110: Which part of the respiratory zone still contains some smooth muscle? _____
Answer: Respiratory bronchioles
Flashcard 111: In which layer of sun-exposed skin is cholecalciferol (vitamin D3) formed?_____
Answer: Stratum basale
Flashcard 112: What is the region next to the follicle of the lymph node?_____
Answer: Mantle
Flashcard 113: The outer cell layer of breast is the _____ cell layer
Answer: myoepithelial
Flashcard 114: Which part of the small intestine contains the largest number of goblet cells? _____
Answer: Ileum
Flashcard 115: All three parts of the small intestine contain crypts of _____
Answer: Lieberkhn
Flashcard 116: The _____ nerve plexus lies between the submucosa and inner circular muscle layer of the gut wall
Answer: submucosal (Meissner)
Flashcard 117: The outer cortex of a lymph node contains aggregates of cells called _____
Answer: follicles
Flashcard 118: What is location of the delta cells in the islet of Langerhans?_____
Answer: Interspersed between alpha and beta cells
Flashcard 119: The large intestine is characterized histologically by abundant _____ cells
Answer: goblet
Flashcard 120: Where in the lymph node do B-cells localize and proliferate? _____
Answer: Follicles (outer cortex)
Flashcard 121: Airway smooth muscle cells extend to the _____ of the conducting zone (sparse beyond this point)
Answer: terminal bronchioles
Flashcard 122: Which region of the lymph node is immediately adjacent to the follicle?_____
Answer: Mantle zone
Flashcard 123: Following the proximal convoluted tubule, glomerular filtrate enters the _____
Answer: proximal straight tubule
Flashcard 124: Where in the spleen are T-cells found?_____
Answer: Periarterial lymphatic sheath (white pulp)
Flashcard 125: The inner cell layer of breast tissue is the _____ cell layer
Answer: luminal (epithelial)
Flashcard 126: Mucosa of the vagina is lined by _____ epithelium
Answer: non-keratinized stratified squamous
Flashcard 127: Which anterior pituitary hormones are basophilic on histological preparation?_____
Answer: FSH, LH, ACTH, TSH
Flashcard 128: Which layer of the retina absorbs stray light and prevents scatter of light? _____
Answer: Pigment epithelial layer
Flashcard 129: Does the large intestine contain villi? _____
Answer: No
Flashcard 130: The _____ is the functional unit of the breast; lobules make milk that drains via ducts to nipple
Answer: terminal duct-lobular unit (TDLU)
Flashcard 131: Where in the testis does spermatogenesis occur?_____
Answer: Seminiferous tubules
Flashcard 132: The nuclei of photoreceptors are contained in the _____ layer of the retina
Answer: outer nuclear
Flashcard 133: Within the spleen, central arterioles are surrounded by _____
Answer: periarterial lymphatic sheaths (PALS)
Flashcard 134: _____ (blood or bile) flows from the portal triad towards the central vein
Answer: Blood
Flashcard 135: Splenic sinusoids are long, vascular channels with fenestrated basement membranes that constitute the _____ pulp
Answer: red
Flashcard 136: Type _____ pneumocytes have regenerative capacity for both type I and type II pneumocytes
Answer: II
Flashcard 137: The functional unit of the ovaries is the single _____, which comprises one germ cell surrounded by endocrine cells
Answer: ovarian follicle
Flashcard 138: Does the large intestine contain crypts of Lieberkhn? _____
Answer: Yes
Keywords: Organ-specific histology flashcards, medical flashcards, NEET PG preparation, USMLE Step 1 flashcards, Anki alternative, spaced repetition medical, OnCourse flashcards
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Cardiovascular histology
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Liver and gallbladder histology
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Male reproductive histology
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Female reproductive histology
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Endocrine gland histology
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Skin histology
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Lymphoid tissue histology
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Central and peripheral nervous system histology
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