Cell and tissue identification keys — Flashcards

Flashcard 1: The _____ of a peripheral nerve is made of dense connective tissue that surrounds the entire nerve

Answer: epineurium

Flashcard 2: The normal fetal epithelium of the lower 2/3rd of the vaginal canal is _____ epithelium

Answer: squamous

Flashcard 3: At the junction of the arterioles and capillaries is a smooth muscle band called the _____

Answer: pre-capillary sphincter

Flashcard 4: The intermediate filament Vimentin is found in _____ tissue

Answer: mesenchymal

Flashcard 5: Can microglia be distinguished by Nissl stain histologically? _____

Answer: No

Flashcard 6: The intermediate filament Neurofilament is found in _____

Answer: neurons

Flashcard 7: What type of filament are cytokeratin and desmin?_____

Answer: Intermediate filaments

Flashcard 8: Embryological origin of the dermis?

Answer: Mesoderm (and Neural Crest) :: mostly derived from Mesoderm (lateral plate and paraxial), but facial dermis is from Neural Crest.

Extra: The dermis has a dual origin: 1. Paraxial mesoderm (dermatome): Dermis of the back. 2. Lateral plate mesoderm: Dermis of the ventral body wall and limbs. 3. Neural crest cells: Dermis of the face and anterior neck.

Flashcard 9: What organelles are stained with Nissl substance?

Answer: RER

Flashcard 10: What type of cytoskeletal element is most associated with cell structure?

Answer: intermediate filaments