Embryology and Development — Flashcards

The secondary ossification centres of the head end of the femur appear at _____ month after birth

If the regression of the left anterior and common cardinal veins is absent, it may lead to the formation of a _____

Which chorionic villi contain an outer layer of syncytiotrophoblast and a central core of cytotrophoblast?_____

_____ are congenital cysts that arise from abnormal detachments of primitive foregut

As lens fibers grow anteriorly and posteriorly, a pattern emerges where the ends of the fibers meet known as _____.

The corneal stroma, keratocytes, and endothelium are formed from _____

What are the derivatives of the 1st pharyngeal pouch?

The vaginal fornices are of _____ origin.

What is the first germ layer to form?_____

Do ear ossicles attain adult size before or after birth?_____