Embryology — Flashcards

What is the embryonic origin of the muscle, bone, and connective tissue? _____

During the 3rd week of development, the yolk sac forms the _____, which extends into the urogenital sinus

What congenital abnormality arises due to failure of fusion of the maxillary and medial nasal processes? _____

A vesicourachal diverticulum presents as outpouching of the _____

During the _____ week of development, the obliteration of the vitelline duct (omphalo-mesenteric duct) occurs

What embryological structure is the lower (distal) 2/3rd of the vaginal canal derived from?_____

The thyroid develops at the base of the tongue (primitive pharynx) and then travels along the _____ duct to the anterior neck Bonus: forms from which arch?

Which genes of embryogenesis (2) are produced at the apical ectodermal ridge (thickened ectoderm at distal end of each developing limb)? _____

Which branchial pouch (wings) gives rise to the inferior parathyroids?_____

Deoxygenated blood is returned to the placenta via the _____