Embryology Flashcards
0
Q
The adrenal cortex and medulla is derived from
A
Cortex-Mesoderm
Medulla- ectoderm
1
Q
The first, second, and third cleavages occur at __ __ and __ hours postfertilization. At this point…
A
32, 60, 72 and at this point our eight felled embryo has completed it’s journey to the uterus
2
Q
Two fetal shunts that reroute blood within heart
A
Foramen ovale and ductus arteriosus
3
Q
Foramen ovale
A
Connects the right and left atria
4
Q
Ductus arteriosus
A
Present to shunt leftover blood from the pulmonary artery to the aorta
5
Q
Ductus venosus
A
Blood returning from the placenta via umbilical vein is rerouted to the inferior vena cava
6
Q
Umbilical arteries carry ________ blood from fetus to placenta
A
Deoxygenated
7
Q
Umbilical veins carry ________ blood towards fetus
A
Oxygenated
