Embryology — Flashcards

Within which week of embryogenesis does the neural tube close? _____

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

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

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

After the pronephros develops, it then _____

What type of bone formation is impaired in achondroplasia? _____

Which gene of embryogenesis is produced at the base of limbs at the zone of polarizing activity? _____

What is the embryonic origin of the gut tube epithelium and most major organs (e.g. lungs, liver, gallbladder, pancreas)? _____

What is the embryonic origin of astrocytes? _____

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