Pelvis Lecture

Question 1

muscles of the pelvic wall

Answer 1

obturator internus - anterolateral wall of pelvic cavity

piriformis - posterolateral wall of pelvic cavity

Question 2

bones of innominate

Answer 2

ilium (articulates with sacrum)
ischium (lig and muscles)
pubis (pubic tubercle)

Question 3

ligaments of bony pelvis

Answer 3

sacrospinous: ischial spine to sacrum/coccyx
sacrotuberous: iliac spine to lateral margeins of sacrum and coccyx
sacroiliac: restrict mvmt of sacrum

Question 4

pelvic cavity is bounded by

Answer 4

pelvic brim an pelvic diaphragm

Question 5

ligaments holding sacral elements in place

Answer 5

iliolumbar ligaments

lumbosacral ligaments

Question 6

_____ bounded by two ligaments: ___ and ___

Answer 6

pubis symphysis: superior and inferior pubic ligaments

Question 7

parts of the pelvic diaphragm

functions of the pelvic diaphragm

Answer 7

levator ani
coccygeus

support viscera
maintains angle bw rectum and anal canal
assist in intra-abdominal pressure
separate pelvic cavity from perineum

Question 8

muscles of pelvic floor

Answer 8

puborectalis
pubococcygeus
iliococcygeus

Question 9

pevlic viscera covered by peritoneum creates

Answer 9

female: rectouterine/vesicouterine
male: rectovesical

Question 10

ureters travel deep to:

Answer 10

uterine artery or ductus deferines (bridge over water)

Question 11

male urethra

Answer 11

preprostatic -> internal urethral sphincter -> prostatic urethra -> membranous urethra -> external urethral sphincter -> spongy

Question 12

infundibulum

Answer 12

widest part of the uterine tube

Question 13

angles of uterus

Answer 13

anteflexed: between cervical axis and uterus
anteverted: between cervix and vagina

Question 14

parts of broad ligament of uterus

Answer 14

mesometrium - around uterus
mesoalpinx - stretches from ovary to uterine tube
mesovarium - supports attaches around ovaru

Question 15

uterus and cervix are supported by the:

Answer 15

pubovervical
uterosacral
transverse cervical ligaments

Question 16

pathway of sperm

Answer 16

Seminiferous tubules
Epididymis
Vas deferens (+ seminal vesicles enter the prostate)
Ejaculatory ducts
nothing
Urethra
Penis

Question 17

branches of the iliac arteries

Answer 17

common iliac arteries –> R& L

R iliac -> external –> femoral
–> inferior
epigastric

• > internal –> posterior -> (superior and inferior gluteal)
  - -> anterior -> uterine, internal pudental, middle rectal superior and inferior vesicle, vaginal,

UP RVV

Question 18

course of the internal pudental artery and nerve

Answer 18

greater sciatic foramen, laterial to ischial spine, inters perineum via the lesser sciatic foramen

Question 19

where do rectal arteries come from

Answer 19

superior = iMA
middle = internal iliac
inferior = internal iliac via internal pudental

Question 20

ovarian and testicular arteries branch from the

Answer 20

abdominal aorta

Question 21

rectal vein anastomoses

Answer 21

superior –> portal vein

internal pudental and rectal –> IVC

Question 22

hypogastric plexus is a network of

Answer 22

sympathetic and parasympathetic nerves

Question 23

perineum borders

Answer 23

inferior to the pelvic diaphragm containing external genitalia

Question 24

deep perineal pouch contents

Answer 24

external urethral sphicter, deep transverse perineal muscles, bulbourethral glands, urethra and vagina

Question 25

superficial perineal pouch

Answer 25

urethra, s. transverse, erectile tissues, pudendal, vaginal, vestibular glands

Question 26

components of female external genitalia

Answer 26

clitoris: 2 bodies of corpus cavernosa covered by ischiocavernous muscle

bulb of vestibule: covered by bulbospongiosus muscle

Question 27

penis blood is drained by

Answer 27

deep dorsal vein

Question 28

pampiniform plexus

Answer 28

allows for countercurrent heat exchange