Vas deferens, seminal vesicle

Question 1

length of vas deferens

Answer 1

45 cm

Question 2

explain why vas deferens is thich and muscular

Answer 2

so that it can carry sperms opposite gravity

Question 3

beginning of vas deferens

Answer 3

As continuation of tail of epididymis

Question 4

ending of vas deferens

Answer 4

as ampulla of vas medial to seminal vesicle, by joining its duct to form ejaculatory duct which opens in prostatic urethra

Question 5

course of Vas deferens

Answer 5

1.Ascends in spermatic cord

2.enters inguinal canal through superficial inguinal ring, then exits through deep inguinal ring

3.then forms triple relation with Inferior epigastric vessels: a) lateral to IEV, b) medial to IEV c) behind IEV

4.passes downwards & backwards crossing:
* External Iliac A
* External Iliac V
* Obliterated umbilical A / Medial umbilical ligament
* Obturator N
* Obturator A
* Obturator V
* ureter (at level of ischeal spine)

5.runs medially downwards to reach base of urinary bladder and becomed Vas ampulla

Question 6

Lateral Relation of vas ampulla

Answer 6

seminal vesicle

Question 7

Anterior Relation of vas ampulla

Answer 7

bladder base

Question 8

posterior Relation of vas ampulla

Answer 8

Rectum

Question 9

Arterial supply of Vas deferens

Answer 9

• Artery of Vas <– inferior Vesical A
• or Superior Vesical A

Question 10

length of seminal vesicle

Answer 10

5 cm

Question 11

Relations of seminal vesicle

Answer 11

• upper blind end: terminal part of ureter
• Anterior: base of bladder
• Posterior: rectum
• Medial: Vas Ampulla
• lateral: Levator Ani

Question 12

function of seminal vesicle

Answer 12

Secretion of seminal fluid