Neuroanatomy US Medical PG Flashcards - Medical Study Cards
Master Neuroanatomy 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.
Neuroanatomy Flashcard Deck - 10 Cards
Flashcard 161: The _____ nerve (L1-L2) provides:
- sensory innervation to the scrotum/labia majora and upper anterior thigh
- motor innervation to the cremaster
Answer: genitofemoral
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gross-anatomy/videos/posterior-abdominal-wall-inguinal-region-scrotum-testis-and-spermatic-cord?index=3]
https://onlinemeded.org?ref=anki
Flashcard 162: The 2nd-order neuron of the hypothalamospinal tract arises from the lateral horn of T1 and synapses on the _____
Answer: superior cervical ganglion
Extra:
https://onlinemeded.org/spa/pediatrics/ophthalmology/acquire?ref=anki
Flashcard 163: What artery is infarcted in a spinal cord lesion affecting the anterior 2/3 of the cord (sparing the dorsal columns)?
_____
Answer: Anterior spinal artery
Extra: Anterior spinal artery syndrome typically presents with:
- Bilateral loss of motor function (corticospinal tract)
- Bilateral loss of pain/temperature sensation (spinothalamic tract)
- Sparing of vibration and proprioception (dorsal columns)
Flashcard 164: Oligodendrocytes are the predominant type of glial cell in _____ matter
Answer: white
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/neurology/videos/cellular-function?index=2]
https://onlinemeded.org/spa/neurology?ref=anki
Flashcard 165: _____ is a congenital stenosis of the channel that drains CSF from the 3rd ventricle into the 4th ventricle
Answer: Cerebral aqueduct stenosis
Extra:
Watch Hydrocephalus [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-neuro/videos/medical-pathophysiology-neuro-intracranial-hypertension-and-tumors-hydrocephalus?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org/spa/neurology?ref=anki
Atlas:
Flashcard 166: The nucleus in the medulla and caudal pons that receives **pain and temperature** sensation from the face is the _____.
Answer: spinal trigeminal nucleus
Extra: The spinal trigeminal nucleus extends from the caudal pons through the medulla to the upper cervical spinal cord. It receives pain and temperature sensation from the face (CN V) as well as the external ear (CN VII, IX, X).
https://onlinemeded.org/spa/neuroscience/brainstem/acquire?ref=anki
Flashcard 167: The white matter tract located between the dorsal horn and the surface of the spinal cord that carries pain and temperature fibers is _____.
Answer: Lissauer's tract
Extra: Lissauer's tract (posterolateral tract) allows primary afferent fibers (pain and temperature) to ascend or descend one or two spinal segments before synapsing in the dorsal horn.
Flashcard 168: The 3rd-order neuron of the oculosympathetic pathway carries _____ to the eyelids, pupil, and skin of the face
Answer: sympathetics
Extra: The oculosympathetic pathway:
- **1st-order neuron**: Hypothalamus to ciliospinal center of Budge (C8–T2); also called the **hypothalamospinal tract**.
- **2nd-order neuron**: Ciliospinal center of Budge to superior cervical ganglion (preganglionic).
- **3rd-order neuron**: Superior cervical ganglion to effectors (postganglionic).
*Note: 3rd-order lesions (e.g., carotid dissection) typically present with ptosis and miosis but NOT facial anhidrosis, as sweat fibers to the face branch off and follow the external carotid artery.*
Flashcard 169: Which part of the neuron contains organelles (e.g. Golgi, ER, etc.)?
_____
Answer: Cell body (Soma)
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/nervous-system?index=3]
https://onlinemeded.org/spa/neurology?ref=anki
Flashcard 170: ID Sulcus (on medial brain surface): _____
Answer: Cingulate sulcus
Extra: Watch associated Bootcamp video: https://app.bootcamp.com/med-school/neuroanatomy/videos/cerebral-cortex?index=3
OnlineMedEd: https://onlinemeded.org/spa/neurology?ref=anki
Keywords: Neuroanatomy flashcards, medical flashcards, NEET PG preparation, USMLE Step 1 flashcards, Anki alternative, spaced repetition medical, OnCourse flashcards
