the perineum Flashcards
what is the perineum
- lies inferior to the pelvic floor, between the lower limbs
what is the perineum formed by?
formed from soft tissue inferior to the pelvic floor, ending with skin
pelvic floor muscles and features
- obturator internus
- levator ani
- coccygeus
- piriforms
- rectal hiatus
- urogential hiatus
bords of the perineum
inferior: ischiopubic ramus
posterior: coccyx/sacrum
anterior: pubic symphysis
lateral: ischial tuberosity
triangles of the perineum
- urogential triangle
- anal triangle
urogential triangle
- anterior portion of perineum
- bounded by:
pubic symphysis
ischial tuberosities
anal triangle
- posterior portion of perineum
- bounded by:
ischial tuberosities
coccyx
male genitalia
- penis
- scrotum
- urethra
penis
body of penis
- glans
- corpus cavernosum
- corpus spongiosum
root of penis
- bulb
- crus
what artery is in the corpus caverosum
- deep penile artery
what is in the corpus spongiosum
urethra
male: urethra
bladder–> prostates= prostatic urethra
membranous urethra
corpus spongiosum=spongy urethra
external urethra orifice
female genitalia
prepuce of clitoris
labia major
labia minor
mons pubis
clitoris
female stuff- vestibule borders
clitoris = anterior border
labia minora= lateral border
fourchette= posterior border
female stuff- vestibule parts
- external urethral orifice
- vaginal orifice
- bulb of vestibule
- greater vestibular glands
erectile tissue- root
crus of clit
greater vestibular gland
bulb of vestibule (fills with blood)