The skeletal muscle system develops from paraxial and lateral plate mesoderm, as well as from neural crest.

The cortex of the suprarenal glands arises from mesenchyme while the medulla arises from neural crest.

The urogenital sinus in males gives rise to a majority of the urinary bladder as well as the prostate gland.

Which of the following indicates homologous structures (originating from the same embryologic structure) in the male and female external genitalia?

Webbing of the fingers may be related to the lack of apoptosis between the digital rays.

The hypaxial region of the myotome will give rise to muscles along the ventral body wall.

In long bone development, a thin layer called periosteum covers early bone formation.

At four weeks, _______________________ carries poorly oxygenated blood from the umbilical vesicle to the tubular heart.

The amniotic cavity appears on the 8th day as a slit-like space between the trophoblast and the

During the 4th-8th weeks, all major organ systems begin to develop from the three germ layers: Ectoderm, Mesoderm, and Endoderm