Sacral nerves S2, 3 and 4 (para-)

Question 1

S2,3 and 4 nerves arise from what horn

Answer 1

the lateral horns of S2-4

Question 2

S2-4 nerves are carried in the what?

Answer 2

cauda equine

Question 3

S2-4 exit the anterior sacral foramina and are carried in what nerves?

Answer 3

pelvic splanchnic nerves

Question 4

The pelvic splanchnic nerves travel to what plexus to be distributed to pelvic organs

Answer 4

inferior hypogastic (pelvic) plexus

Question 5

the inferior hypogastric plexus is a network of ganglia and nerves covering what?

Answer 5

rectum, internal genitalia and base of the urinary bladder

Question 6

what type of autonomic fibers are found in the hypogastric plexus?

Answer 6

both sympathetic and parasympathetic fibers.

Question 7

Fibers reach the distal part of the digestive tract through the inferior hypogastric plexus to what?

Answer 7

superior hypogastic plexus and inferior mesenteric plexus

Question 8

preganglionic fibers heading to the distal colon will travel through the inferior hypogastric plexus to reach what other plexuses?

Answer 8

superior hypogastric and inferior mesenteric plexus by way of the “hypogastric nerves”

Question 9

postganglionic fibers reach the distal colon by way of what plexus

Answer 9

the inferior mesenteric plexus

Question 10

when heading to the rectum and anus preganglionic fibers will travel to what plexus?

Answer 10

the inferior hypogastric plexus

Question 11

postganglionic fibers reach the rectum and anus from where?

Answer 11

inferior hypogastric plexus