pelvis

Question 1

layers of abdomen forming inguinal canal

Answer 1

peritoneum -> transversus abdominis -> internal oblique -> external oblique

Question 2

deep and superficial inguinal rings

Answer 2

deep = outpouching of transversalis fascia
superficial = extension of external oblique

Question 3

what guides the testes during descent

Answer 3

gubernaculum

Question 4

structure of pelvis

Answer 4

ilium, pubis, ischium, sacrum, coccyx
main middle hole = pelvic inlet = lesser (false) pelvis
greater pelvis = ilium/pubis

Question 5

borders of perineum

Answer 5

anterior - pubic symphesis
posterior - coccyx
pelvic floor

Question 6

blood supply and innervation of lesser pelvis

Answer 6

pudendal artery
pudendal nerve

Question 7

structure of penis

Answer 7

root -> body -> glans

Question 8

muscles of penis

Answer 8

bulbospongeosum x 2 = contract to empty urethra
ischiocavernosus x 2 = contract to force blood into crura

Question 9

erectile tissues of penis

Answer 9

crura x 2 = corpus cavernosa
bulb = corpus spongeosum

Question 10

contents of spermatic cord

Answer 10

(1) ductus deferens
(2) cremaster muscle
(3) external spermatic artery
internal spermatic artery + arteria ductus deferentis
(4) spermatic nerve
(5) lymph of the spermatic cord
(6) fascia

Question 11

buck’s fascia

Answer 11

holds erectile tissues together

Question 12

ileolingual nerve

Answer 12

sensory innervation of genetalia

Question 13

prepuce

Answer 13

foreskin - double layer of skin and fascia

Question 14

frenulum

Answer 14

connects prepuce to glans

Question 15

arterial supply to penis

Answer 15

branches of internal pudendal artery
dorsal arteries
deep arteries
bulbourethral artery

Question 16

where are the testes, anatomically?

Answer 16

in the scrotum, suspended by spermatic cord
located on posterior abdominal wall

Question 17

structure of testes

Answer 17

tunica vaginalis (outer layer)
epididymis
testes
lobules containing seminiferous tubules lined with

Question 18

innervation, blood supply and drainage of testes

Answer 18

i - testicular plexus
a - testicular arteries and cremastic artery
v - pampiform plexus

Question 19

dartos muscle

Answer 19

thin muscle sheet under skin of scrotum to regulate temperature by wrinkling skin

Question 20

cremastor muscles

Answer 20

muscle of spermatic cord to raise testicles and move testes closer to central body

Question 21

neurovascular supply to scrotum

Answer 21

anterior and posterior scrotal arteries
scrotal veins

anterior - genitofemoral nerve branch and iliolinguinal nerve
posterior - perineal branches of pudendal nerve