Embryology — Flashcards

Flashcard 151: During which week of gestation does the primitive streak appear? _____

Answer: 3

Flashcard 152: The embryonic period of lung development occurs from weeks _____ to _____

Answer: 4

Flashcard 153: The male _____ is homologous to the female glans clitoris, which both arise from the genital tubercle

Answer: glans penis

Flashcard 154: The neural tube begins as _____ primary vesicles

Answer: three

Flashcard 155: What is the embryonic origin of the posterior pituitary? _____

Answer: Neuroectoderm

Extra: Atlas:

Flashcard 156: The embryonic brain stem and spinal cord have a(n) ventrally-located _____ plate

Answer: basal

Flashcard 157: What is the embryonic origin of the anterior pituitary? _____

Answer: Oral ectoderm, specifically from Rathke's pouch

Extra: Atlas:

Flashcard 158: _____ cells (spermatogonia) maintain the germ pool and produce primary spermatocytes

Answer: Germ

Flashcard 159: Mutations in _____ genes cause appendages to be placed in wrong locations

Answer: hox

Flashcard 160: What week does lung development begin? _____

Answer: Week 4