Evolutionary Perspectives in Anatomy — Flashcards

Flashcard 1: Uveal and conjunctival melanocytes are derived from the _____.

Answer: neural crest

Flashcard 2: Bartholin's glands are homologous to the male _____ glands.

Answer: Cowper

Flashcard 3: Meckel's cartilage of the first pharyngeal arch gives rise to which structures? _____

Answer: Malleus, incus, anterior malleolar ligament, spine of the sphenoid, and the sphenomandibular ligament (5)

Flashcard 4: There are _____ openings in the vestibule for the semicircular canals.

Answer: 5

Flashcard 5: Embryologically, Parotid is derived from the _____

Answer: ectoderm

Flashcard 6: Structures passing through the **Sinus of Morgagni** (gap between skull base and superior constrictor): **P**: _____ **A**: Ascending palatine artery **L**: Levator veli palatini **E**: Eustachian tube

Answer: Palatine branch of ascending pharyngeal artery

Extra: The Sinus of Morgagni is the space between the base of the skull and the upper border of the superior constrictor muscle. Note: The **Tensor veli palatini** does NOT pass through this gap; it is lateral to the superior constrictor. The structures passing through are summarized by the mnemonic **PALE**.

Flashcard 7: The cardiac and smooth muscles are derived from the _____ mesoderm.

Answer: splanchnic

Flashcard 8: _____ are the embryological remnant of the synovial folds.

Answer: Plicae

Flashcard 9: _____ is the pathway or the connection between mastoid antrum and attic

Answer: Aditus ad antrum

Flashcard 10: Scala vestibule & tympani are part of the _____ labyrinth and are filled with perilymph.

Answer: bony