Embryology — Flashcards

Flashcard 191: What is the embryonic origin of microglia? _____

Answer: Mesoderm

Flashcard 192: _____ occurs when the inferior poles of the kidney are fused together

Answer: Horseshoe kidney

Extra: Atlas:

Flashcard 193: What is the embryonic origin of Schwann cells? _____

Answer: Neural crest

Flashcard 194: During the pseudoglandular period of lung development, the bronchioles are surrounded by a(n) _____ capillary network

Answer: modest

Flashcard 195: Indirect inguinal hernias occur in infants due to failure of the _____ to close

Answer: processus vaginalis

Flashcard 196: The embryonic _____ gives rise to the AV and semilunar valves

Answer: endocardial cushion

Extra: Atlas:

Flashcard 197: What is the embryonic origin of the parathyroid gland and parafollicular C cells? _____

Answer: Endoderm*

Flashcard 198: The _____ is a remnant of the obliterated umbilical vein

Answer: ligamentum teres hepatis (round ligament of the liver)

Flashcard 199: The second stage (short) of ovarian follicle development involves the development of a(n) _____ follicle from a primary/secondary follicle

Answer: graafian

Flashcard 200: _____ is the abnormal opening of the penile urethra on the dorsal surface of the penis due to faulty positioning of the genital tubercle

Answer: Epispadias