Author Question: The inferior portion of the spinal cord and the abdominal wall receive blood from the A) vertebral ... (Read 50 times)

clippers! · **on:** Feb 27, 2019

The inferior portion of the spinal cord and the abdominal wall receive blood from the
A) vertebral artery.
B) abdominal aorta.
C) sacral artery.
D) coccygeal artery.
E) lumbar artery.

Question 2

Where in the embryo does mesoderm first appear?
A) between the cell layers of the inner cell mass
B) within the blastocoele
C) in the chorionic villi
D) above the epiblast
E) around the trophoblast