Loose connective tissue — Flashcards

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

Answer: Type III

Flashcard 2: What type of collagen makes up bone, skin, and tendon? _____

Answer: Type I

Flashcard 3: Which epithelial cell junction connects actin cytoskeletons of adjacent cells? _____

Answer: Adherens junctions (zonula adherens, belt desmosome)

Flashcard 4: What type of collagen is the most common (90%)? _____

Answer: Type I

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