Developmental Anatomy — Flashcards

Flashcard 11: Failure of the _____ to close in distal part results in a cleft of the iris known as coloboma iridis

Answer: choroid fissure

Flashcard 12: Due to the persistence of the _____ arch artery, the left recurrent laryngeal nerve is caught under it and therefore, has a relatively long course.

Answer: 6th

Flashcard 13: Inguinoscrotal phase of scrotal descent is regulated by androgen induced _____ from the genitofemoral nerve

Answer: CGRP

Flashcard 14: Where does the internal urethral orifice lie at birth?_____

Answer: The upper border of symphysis pubis

Flashcard 15: _____ sinus is absent at birth.

Answer: Frontal

Flashcard 16: Vaginal artery is homologous to the _____ artery in males

Answer: inferior vesical

Flashcard 17: All primary ossification centres (except the pisiform) appear in the body by the age of _____ years

Answer: 5 years

Extra: Ossification centers for all bones (except the pisiform) appear by the 5th year of life. Note: The pisiform is the last carpal bone to ossify, appearing between ages 9-12.

Flashcard 18: The Eustachian tube in children is shorter (13-18mm), _____ and more horizontal.

Answer: wider (narrower/wider)

Flashcard 19: The secondary ossification center of the head of tibia appears at _____

Answer: birth

Flashcard 20: Adenoids show enlargement upto age _____ and regress after that.

Answer: 6