Embryology and Development — Flashcards

The first pair of somites arise in the _____ region of the embryo at approximately the 20th day of development

First pharyngeal arch has 2 prominences - the _____ mandibular prominence and the dorsal maxillary prominence

_____, which migrates into the metanephric blastema, gives rise to the glomeruli and the vasa recta.

The fibrinoid layer between the _____ and the decidua basalis is known as Nitabuch's layer.

Outflow tracts from the heart are formed by migrations of _____ and endocardial cells, which spiral and fuse to form the aorticopulmonary septum

The male _____ is homologous to the female labia majora, which both arise from the labioscrotal swelling

After spermatids have been formed from secondary spermatocytes, they undergo _____ to form spermatozoa

_____ is the first carpal bone and pisiform is the last carpal bone to ossify.

The _____ artery and proximal part of the internal carotid artery are derivatives of the 3rd aortic arch

_____ of oogonia generates the primary oocytes (arrested in prophase 1)