Embryology and Development — Flashcards

The embryonic _____ gives rise to the trabeculated parts of the left ventricle ONLY

During the _____ period (lung development), the terminal sacs form the adult alveoli

By the end of the third week, neural _____ grow over the midline and fuse to form the neural tube

In _____ ossification, osteoblasts and osteoclasts replace cartilage with a matrix of woven bone and then remodel to lamellar bone.

The _____ artery and hyoid artery are derivatives of the 2nd aortic arch

Pinna (auricle) develops from _____ mesenchymal proliferations in 1st and 2nd branchial arches.

Anterior opening of the neural tube (cranial neuropore) closes by day _____ and the posterior opening (caudal neuropore) closes by day 28.

Two common first arch syndromes are _____ syndrome and pierre robin sequence

The _____ period of lung development occurs from weeks 5 to 17

From the umbilical vein, blood is conducted into the _____ via the ductus venosus, which bypasses hepatic circulation