Embryology and Development — Flashcards

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

The _____ is a remnant of the obliterated urachus

The ear ossicles undergo _____ ossification which completes by 25th week of gestation

Hint: membranous/enchondral

In _____ ossification, a hyaline cartilage model is first made by chondrocytes.

Male _____ cells are the homolog of female theca cells

Congenital _____ cysts are caused by abnormal budding of the foregut and dilation of terminal or large bronchi

Development of notochord:The cells in the primitive knot multiply and pass _____ in the midline between the ectoderm and endoderm, forming the notochordal process

Hint: cranial/caudal

The neuropores facilitate communication between the _____ and the amniotic cavity.

At gestational weeks _____ to 7 in genetic males, the testes begin to develop

The _____ and 2nd branchial arches form the anterior two-thirds of the tongue