Around the aorta. The aorta is the
great artery that comes from
the left ventricle of the heart and delivers oxygen-rich
blood to the body.
Peri- is a prefix borrowed from the Greek. It means "around
or about." So
perianal is around the anus. For example; pericardial is around the
heart, perinatal is
around birth, and periumbilical is around the umbilicus
(the belly button).
Peri- is a useful prefix in anatomy, much employed
in medicine.
Pericardial fluid is fluid around the heart. Periaortic
lymph nodes are
lymph
nodes around the aorta.
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