Embryology and Development — Flashcards

The _____ (left) and proximal part of the right subclavian artery (right) are derivatives of the 4th aortic arch

_____ defects arise due to failure of the neuropores to fuse by the 4th week of pregnancy

The embryonic _____ gives rise to the smooth part of the right atrium

In the developing ovaries, primordial germ cells produce _____ by mitotic divisions until gestational weeks 20 to 24

_____ part of the tongue and the epiglottis is derived from the third swelling in the posterior part of the 4th arch

The _____ and 4th branchial arches form the posterior one-third of the tongue

The short arm of the chromosome is known as the _____, and the long is the q arm

The _____ is the location where the ectoderm of the pharyngeal cleft meets the endoderm of the pharyngeal pouch

The _____ on the fetal side of the placenta is also known as Langhan's layer

During the _____ period of lung development, airways increase in diameter