Male and Female Pelvis Flashcards
name the 4 portions of the uterine tube
- fimbria
- infundibulum
- ampulla
- isthmus
function of the suspensory ligament of the ovary (infundibulopelvic ligament)
peritoneal passageway for ovarian a + v
function of ovarian ligament
binds ovary to uterus
remnant of Gubernaculum
name the 3 layers of the uterus
perimetrium
myometrium
endometrium
name the 3 parts of the uterus
fundus
body
cervix
function of round ligament of the uterus
binds uterus to anterior abdominal wall
- remnant of Gubernaculum
- passes through inguinal canal and eventually attaches to labia majora
function of broad ligament of uterus
mesentery that extends from uterus and its associated structures and binds them to each other and to the pelvic wall
name the 3 parts of the broad ligament of the uterus and their functions
- mesovarium: binds ovary
- mesosalpinx: binds uterine tube
- mesometrium: binds fundus of uterus
name the 2 peritoneal pouches in the female pelvis
uterovesical pouch
rectouterine pouch
the peritoneum between the uterus and the urinary bladder forms the ____
uterovesical pouch
the peritoneum between the uterus and the rectum forms the ____
rectouterine pouch
the rectouterine pouch is also known as the ____
pouch of douglas
blood supply of the ovary
ovarian aa that arise from abdominal aorta
lymphatics of the ovary
follows ovarian aa + vv to the para-aortic nodes at the level of L1
innervation of the ovary
ovarian plexus, accompanying the ovarian vessels
blood supply of the uterine tube
- uterine aa, from internal iliac aa
- ovarian aa
lymphatics of the uterine tube
into para-aortic nodes
innervation of the uterine tube
from inferior hypogastric plexus:
- parasympathetics (S2-S4)
- sympathetics (T10-L1)
blood supply of the uterus
- uterine aa, from internal iliac aa
- ovarian aa
lymphatics of the uterus
- from fundus into para-aortic nodes
- from body & cervix into internal & external iliac lymph nodes
- from round ligament into inguinal lymph nodes
innervation of the uterus
from inferior hypogastric plexus:
- parasympathetics (S2-S4)
- sympathetics (T12-L1)
blood supply of the prostate gland & seminal vesicles
- inferior vesicle aa & middle rectal aa
- prostatic venous plexus: receives the deep dorsal v of the penis and drains into internal iliac vv
lymphatics of the prostate gland & seminal vesicles
internal iliac lymph nodes
innervation of the prostate gland & seminal vesicles
inferior hypogastric plexuses
sympathetics stimulate ejaculation
function of the seminal vesicles
form most of ejaculate (sucrose + coagulating enzyme) and contract during ejaculation
function of the prostate gland
secretes highly alkaline based fluid of citric acid and acid phosphatase to neutralize acidity of vaginal canal
blood supply of ductus deferens
deferential aa, from the superior vesicle aa
lymphatics of ductus deferens
external iliac nodes
innervation of ductus deferens
inferior hypogastric plexuses
function of ductus deferens
carry spermatozoa to seminal vesicles
blood supply of urinary bladder
via superior and inferior vesicle aa
lymphatics of urinary bladder
drain into internal & external iliac nodes
innervation of urinary bladder
inferior hypogastric plexus
- sympathetics (T11-L2)
- parasympathetics (S2-S4)
what is the name of the smooth muscle that surrounds the urinary bladder?
detrusor muscle
what is the triangular region of the urinary bladder called?
trigone
what are the 2 openings within the trigone called, and what is their function?
uretic orifice: where urine dumps into urinary bladder from kidney via ureters
what is the ridge between the uretic orifices called?
interureteric ridge
what is a uvula vesicae?
- present only in males
- midline swelling in trigone of urinary bladder
- prominent in benign prostatic hypertrophy (BPH) = swelling of median lobe of prostate
what is the name of the location where the sigmoid colon becomes the rectum?
rectosigmoid junction (S3)
where does the rectum become the anus?
anorectal flexure at tip of coccyx
what is the line of hilton?
separates endoderm from ectoderm, and therefore autonomic from somatic innervation
hemorrhoids are located deep within ____
anal columns
what supportive structures control defecation at the anus?
- puborectalis (skeletal m)
- internal anal sphincter (smooth m)
- external anal sphincter (skeletal m)
name the arteries of the rectum
superior, middle, & inferior rectal aa
the superior hypogastric plexus is comprised of ____ fibers
postganglionic sympathetic
the ____ nerves bring postganglionic sympathetic fibers into the inferior hypogastric plexus
hypogastric
the pelvic splanchnic nerves contain ____ fibers
preganglionic parasympathetic (S2-S4)
the inferior hypogastric plexus is comprised of…
- postganglionic sympathetics
- preganglionic parasympathetics
what innervates the external anal sphincter and the skin around the anus?
pudendal n -> inferior rectal n (somatic motor and sensory)
