Connective tissue cells and fibers — Flashcards

Flashcard 1: Which epithelial cell junction connects intermediate filaments of adjacent cells? _____

Answer: Desmosomes (macula adherens, spot desmosome)

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

Answer: Elastin

Flashcard 3: Which epithelial cell junction connects keratin in basal cells to underlying basement membrane? _____

Answer: Hemidesmosomes

Flashcard 4: What type of collagen makes up cartilage? _____

Answer: Type II

Flashcard 5: What type of collagen is the most common (90%)? _____

Answer: Type I

Flashcard 6: 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 7: epithelial linings of oral cavity

Answer: surface ectoderm

Flashcard 8: epidermis

Answer: surface ectoderm

Flashcard 9: parotid, sweat, and mammary glands

Answer: surface ectoderm

Flashcard 10: connective tissue

Answer: mesoderm