-
posterior division of internal iliac a
- - iliolumbar
- - lateral sacral
- - superior gluteal
-
anterior division of IIa
- - umbilical
- - superior vesicle
- - obturator
- - middle rectal
- - internal pudendal
- - inferior gluteal (passes b/t S2 and S3 nerves)
- - inferior vesicle
- - vaginal and uterine (women)
- "Um,So, I I I, U, v u"
-
medial umbilical ligament
obliterated umbilical artery
-
Uterine arery
- - homolog of ductus deferens
- - descending vaginal brannch--> cervix and vagine
- - ascending branch--> uterus
**ligation during hysterectomy poses risk of damage to ureter (as it passes under 2 cm superior to ischial spine)**
-
collateral circulation of the pelvis
- lumbar<---> iliolumbar
- median sacral<---> lateral sacral
- superior rectal(IMA)<---> middle rectal (aIIA)
- inferior gluteal<---> deep artery of thigh
-
superficial inguinal LN
- - fundus of uterus near the round ligament
- - most of the EXTERNAL genitalia
- - labia majora/ scrotum
-
deep inguinal LN
- - glans penis/ clitoris
- - labia minora
- - distal half of the corpus spongiosum
-
para- aortic (lumbar) LN
- - ovary/ testes
- - uterine tubes
- - uterine fundus
-
internal and external iliac LN
- - uterine body
- - cervix
- - bladder
-
internal iliac LN
- - prostate
- - rectum (lower part)
-
Hypogastric plexus
- monstly sympathetics
**note- inferior hypogastric plexus is actually mixed**
-
Pelvic splanchnic nerves
- parasympathetic to pelivic viscera and descending and sigmmoid colon
-
Sacral plexus
- - L4-S4
- - lumbosacral
- - SGn
- - nerve to piriformis
- - IGn
- - nerve to quadratus femoris
- - nerve to obterator internus
- - pudendal
- - sciatic
- - obterator
-
only nerve of pelvis to emerge medial to the psoas major
- obterator nerve
-
pudendal nerve
- - sensory to genitalia
- - perineal muscles
- - external urethral and anal sphincters
- **possible damage during prostectomy==> ED**
-
S3 dermatome
- - Male- penis, scrotum and perineal area outside of perianal area
- - Female- vagina and perineal area outside of perianal area
-
S4/S5 dermatome
- - S5- inner perianal
- - S4- outer perianal and area above perineal body
-S4-scratching perinanal skin can evoke an anal reflex (contraction of external anal sphincter)
-
female homolog to gubernaculum testis
- - ovarian ligament
- - round ligament
-
superficial pouch
- space b/t perineal fascia and perineal membrane
-
deep pouch
- space b/t perineal membrane and inferior fascia of pelvic diaphragm
-
pelvic diaphragm
- space b/t inferior and superior fascia of pelvic diaphragm
|
|