Stratified epithelial tissues — Flashcards

Flashcard 1: Epithelial cells are attached to one another via cellular adhesion molecules (ie: _____)

Answer: E-cadherin

Flashcard 2: The intermediate filament Cytokeratin is found in _____ cells

Answer: Epithelial

Flashcard 3: Melanocytes are responsible for skin pigmentation and are present in the _____ layer of the epidermis

Answer: basal

Flashcard 4: Which epithelial cell junction connects keratin in basal cells to underlying basement membrane? _____

Answer: Hemidesmosomes

Flashcard 5: What is the epithelial lining of the palatine tonsil?

Answer: Non-keratinized stratified squamous epithelium (derived from the 2nd pharyngeal pouch)

Extra: The palatine tonsil develops from the endoderm of the 2nd pharyngeal pouch. While the embryological origin is the 2nd pouch, the histological lining of the tonsillar crypts and surface is non-keratinized stratified squamous epithelium.

Flashcard 6: epithelial linings of oral cavity

Answer: surface ectoderm

Flashcard 7: epidermis

Answer: surface ectoderm

Flashcard 8: parotid, sweat, and mammary glands

Answer: surface ectoderm

Flashcard 9: connective tissue

Answer: mesoderm

Flashcard 10: Where is elastin found in the human body?

Answer: skin, ligaments, vocal cords, lungs, large arteries