general anatomy- pelvis, male and female info Flashcards
where does the external iliac artery continue as the femoral artery?
below the inguinal ligament
which artery is the major source of blood to the structures within the pelvis?
internal iliac artery
what forms the sacral plexus?
L4,L5
anterior primary rami of S1-S4
the sacral plexus lie primarily anterior or posterior to the piriformis?
anterior
what are the 2 routes that sympathetic fibers reach the pelvis?
sympathetic trunk aortic plexus (as hypogastric plexus)
the left and right sympathetic trunks join together and form?
ganglion impar
what forms a sling around the rectum at the anorectal junction?
puborectalis muscle
what is the lowest portion of the rectum?
rectal ampulla
which part of the rectum has no peritoneal covering?
lower 3rd
what divides the rectum into the upper visceral and lower somatic sections?
pectinate line
what are the 3 orifices that mark the angles of the trigone of the bladder?
internal urethral orifice
2 ureteric orifices
what supplies parasympathetic stimulation to the bladder?
pelvic splanchnic nerves S2-4
activation of the pelvic splanchnic nerves causes which bladder muscle to contract?
detrusor
what carries sperm to the ejaculatory duct?
ductus deferens
where does the ductus deferens begin?
epididymis
when the ductus deferens joins with the seminal vesicles what does it form?
ejaculatory duct