lec 5

Question 1

the obturator internus leaves the pelvic cavity through ———–

Answer 1

lesser sciatic foramen

Question 2

nerve supply of obturator internus

Answer 2

L5 +S1

Question 3

action of obturator internus

Answer 3

lateral rotator of the thigh at hip joint

Question 4

action of piriformis

Answer 4

lateral rotator of the thigh at hip joint

Question 5

nerve supply of piriformis

Answer 5

L5-S1 and 2

Question 6

the piriformis goes transversely through

Answer 6

greater sciatic notch

Question 7

which muscle forms the levator prostate (pubourethralis)

Answer 7

The most anterior fibers of the levator ani that arise from the body of pubis

Question 8

the anterior fibers that arise from the body of pubis of levator ani form
male it is around ———– and forms —>
female it is around ———- and forms —>

Answer 8

the prostate —> levator prostate (pubourethralis)

posterior wall of the vagina –> pubovaginalis

Question 9

the posterior fibers that arise from the body of pubis form

Answer 9

puborectalis muscle

Question 10

puborectalis muscles holds the anorectal junction angled ——-

Answer 10

forward

Question 11

anococcygeal raphe is btw ————,———–

Answer 11

anal canal and the tip of the coccyx

Question 12

the levator ani is supplied by

Answer 12

mainly S4 ——> perineal branch

inferior rectal branch of the pudendal

Question 13

coccygeus muscle is overlapped anteriorly by

Answer 13

iliococcygeus

Question 14

the gluteal surface of coccygeus forms

Answer 14

sacrospinous ligament

Question 15

coccygeus is supplied by

Answer 15

S4 and 5 spinal nerves

Question 16

puborectalis part of levator ani action —–>

pubovaginalis action —–>

Answer 16

sphincter action on anorectal junction

sphincter action on the vagina

Question 17

The pelvic diaphragm ———— during coughing and sneezing , and ——– in micturition, defaecation and partitution

Answer 17

contracts

relaxes

Question 18

coccygeus action during defecation

Answer 18

pulls the coccyx forwards after it has been pushed backwards during defaecation

Question 19

which is longer the right or left spermatic cord

Answer 19

left

Question 20

Constituent of Spermatic Cord

Answer 20

(1) Testicular artery: Branch of abdominal aorta.
(2) Testicular lymph vessels:
(3) Testicular vein (pampiniform plexus):
(4) Testicular sympathetic plexus:

(5) Vas deferens.
(6) Artery to vas deferens: Branch of superior or inferior vesicle artery.

(7) Cremasteric artery: Branch of inferior epigastric artery.
(8) Genital branch of genitofemoral nerve L1 and 2:

(9) Fibrous remains of processus vaginalis

Question 21

at which level the Testicular vein (pampiniform plexus) forms a single vein

Answer 21

deep inguinal ring level

Question 22

the testicular vein on the left side drains into —-

right side —–

Answer 22

left renal vein, on left side and into inferior vena cava, on right side

Question 23

which nerve supplies the cremasteric muscle

Answer 23

Genital branch of genitofemoral nerve L1 and 2

Question 24

Testicular sympathetic plexus id derived from ——– and follows ———–

Answer 24

These fibers are derived from the renal or aortic plexus of nerves.

They follow the testicular artery

Question 25

name the 3 Covering of Spermatic Cord (Spermatic

Fascia) and from what they acquired

Answer 25

(1) Internal spermatic fascia: Acquired from fascia transversalis at deep inguinal ring.
(2) Cremasteric fascia: Acquired from internal oblique muscle within inguinal canal.
(3) External spermatic fascia: Acquired from aponeurosis of external oblique muscle at superficial inguinal ring.

Question 26

scrotum is —>
urogenital diaphragm is —>
perineal body is —->

Answer 26

a cutaneous fibromuscular sac
a triangular musculofascial diaphragm
a fibromuscular mass

Question 27

the scrotum contains —————

Answer 27

testis, epididymis, and lower part of spermatic cord

Question 28

tunica vaginalis covers the testis from

Answer 28

anterior, medial, and lateral surfaces of testis

Question 29

Visceral layer of tunica vaginalis is closely applied to

Answer 29

testis, epididymis, and inferior part of vas deferens

Question 30

The small amount of fluid in cavity of tunica vaginalis allows the testes to

Answer 30

move freely in scrotum

Question 31

The testis is surrounded by a tough fibrous capsule called the———–, which is thickened on the ———– surface of the testis to form the ———– of the testis

Answer 31

tunica albuginea
posterior
mediastinum

Question 32

what divides the testis into lobules

Answer 32

the incomplete septa arising from the mediastinum

Question 33

Each lobe of testis is occupied by

Answer 33

1 – 3 seminiferous tubules

Question 34

name this structure’s job

Straight tubule

Answer 34

Connect seminiferous tubules with rete testis

Question 35

name this structure’s job Efferent Ducts

Answer 35

carry sperm from rete testis to head of epididymis

Question 36

how many efferent ducts extend from rete testis

Answer 36

15-20

Question 37

It is a firm coma-shaped structure, closely applied to posterior margin of testis

Answer 37

Ductus Epididymis

Question 38

what lies on the medial side of Ductus Epididymis

Answer 38

vas deferens

Question 39

The major function of epididymis

Answer 39

is storage and maturation of spermatozoa

Question 40

in epididymis spermatozoa develop

Answer 40

motility

Question 41

sinus of epididymis lies between

Answer 41

testis and epididymis

Question 42

Ductus (Vas) Deferens job is

Answer 42

conveys mature sperm from epididymis to ejaculatory duct

Question 43

the vas deferens it bends at an acute angle and runs downwards, medially, and slightly forwards at which level and comes to lie between what ?

Answer 43

ischial spine

between posterior surface of bladder and rectum

Question 44

relation of vas deferens to seminal vesicle

Answer 44

it lies medially to it

Question 45

what forms the ejaculatory duct

Answer 45

union of inferior end of vas deferens ampulla with the duct of the seminal vesicle

Question 46

the ejaculatory duct pierces what ? and opens into what?

Answer 46

posterior surface of prostate

open into upper part of prostatic urethra