Embryology — Flashcards

What is the embryonic origin of thyroid tissue?_____

What type of bone formation is impaired in achondroplasia? _____

Spina bifida is due to failure of the _____ vertebral arch to close

The umbilical arteries return deoxygenated blood from the fetal _____ arteries to the placenta

After the pronephros develops, it then _____

Which gene of embryogenesis is responsible for proper organization of the limb along the dorsal-ventral axis?

What is the embryonic origin of astrocytes? _____

Is the dura intact in spina bifida occulta? _____

Which branchial pouch gives rise to the middle ear cavity, eustachean tube, and mastoid air cells?_____

What day of fetal development is characterized by amnion formation?_____