Pelvis and perineum 2

Question 1

What is cryptochordism

Answer 1

undescended testes

Question 2

What are the contents of the inguinal canal in males?

Answer 2

3 fascias = external and internal spermatic fascias + cremasteric fascia
3 arteries = testicular, cremasteric and deferential arteries
3 veins = pompiform plexus, testicular vein, cremesteric + deferential veins
3 nerves = genital branch of genitofemoral, ilioinguinal + autonomic nerves
+ lymphatics

Question 3

What is the function of the pompiform plexus

Answer 3

To dissipate heat

Question 4

What fascias are in the inguinal canal in males

Answer 4

external and internal spermatic fascias + cremasteric fascia

Question 5

What arteries are in the inguinal canal in males

Answer 5

testicular, cremasteric and deferential arteries

Question 6

What veins are in the inguinal canal in males

Answer 6

pompiform plexus, testicular vein, cremesteric and deferential veins

Question 7

What nerves are in the inguinal canal in males

Answer 7

genital branch of genitofemoral, ilioinguinal and autonomic nerves

Question 8

What are the contents of the inguinal canal in females?

Answer 8

round ligament of uterus
genital branch of the genitofemoral nerve
ilioinguinal nerve

Question 9

What/where are the regions of the urethra

Answer 9

Intramural/preprostatic connecting the bladder and the prostate, then prostatic travelling through the prostate, then intermediate between the prostate until turning into spongy

Question 10

What does the internal urethral sphincter do in ejaculation?

Answer 10

closes to stop the accidental release of urine

Question 11

What are the two tissues that make up the penis?

Answer 11

Corpus spongiosum

Corpora cavernosa

Question 12

What nerves are involved in erection and what do they cause?

Answer 12

Parasympathetic fibres of S2,3,4 which cause increased blood flow and vasodilation in corpura cavernosa (mainly) and in corpus spongiosum.

Question 13

What is the function of Buck’s deep fascia

Answer 13

surrounds erectile tissue which restricts venous drainage increasing blood trapped in penis

Question 14

What nerves are involved in spermatic emission and what do they cause?

Answer 14

Sympathetic efferent fibres (L1,2) via pelvic plexus causes ductus deferens and seminal vesicles to contract - expulation of sperms & secretion into urethra

Question 15

What muscles are responsible for ejaculation

Answer 15

rhytmic contraction of bulbospongiosum and opening of external urethral sphincter

Question 16

What layer of the uterus lining is lost in menstruation?

Answer 16

endometrial layer

Question 17

What is the term used to describe the fertilisaiton of an ova outside of the fllopian tube

Answer 17

ectopic pregnancy

Question 18

What are the openings of the vaginal vestibule

Answer 18

urethra
vaginal
2 ducts of greater vestibular glands
2 ducts of lesser vestibular glands

Question 19

What types of cells are in the testes

Answer 19

seminiferous tubules,
leydig cells
sertoli cells

Question 20

What nerve controls ejaculation

Answer 20

pudendal nerve

Question 21

Are ovaries intra- or retroperitoneal

Answer 21

intraperitoneal