Extracellular matrix components — Flashcards

Flashcard 1: What type of collagen makes up reticulin fibers?_____

Answer: Type III

Flashcard 2: _____ is a stretchy protein within skin, lungs, large arteries, elastic ligaments, vocal cords, and ligamentum flava

Answer: Elastin

Flashcard 3: The Mesenchyme gives rise to most _____

Answer: connective tissue

Flashcard 4: What type of collagen makes up the basement membrane?_____

Answer: Type IV

Flashcard 5: Which epithelial cell junction connects keratin in basal cells to underlying basement membrane? _____

Answer: Hemidesmosomes

Flashcard 6: What type of collagen is the most common (90%)? _____

Answer: Type I

Flashcard 7: 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 8: epithelial linings of oral cavity

Answer: surface ectoderm

Flashcard 9: epidermis

Answer: surface ectoderm

Flashcard 10: parotid, sweat, and mammary glands

Answer: surface ectoderm