Male Reproductive System - Accessory Organs

Question 1

What are the accessory organs of the male reproductive system?

Answer 1

Seminal vesicles
Prostate
Bulbourethral gland

Question 2

What are the seminal vesicles?

Answer 2

Blind-ending, coiled and sacculated tube on both sides

Question 3

Sites of the seminal vesicles?

Answer 3

It lies behind the base of the urinary bladder.
It unites with the ductus deferens near the base of the prostate to form the ejaculatory duct

Question 4

Secretions of the seminal vesicle

Answer 4

Secretions contain fructose and prostaglandins
Neutralizes vaginal acidity

Question 5

Location of the prostate gland

Answer 5

Surrounds and opens into the urethra where it leaves the bladder

Question 6

What are the secretions of the prostate gland?

Answer 6

Alkaline fluid which activates sperm preventing them from sticking together

Question 7

Surfaces of prostate gland

Answer 7

Base (Superiorly)
Apex (Inferiorly)
Anterior Surface
Posterior Surface
Inferolateral Surface

Question 8

Relations of the base of the prostate

Answer 8

Attached to neck of urinary bladder

Question 9

Relations of the apex of the prostate

Answer 9

Rests on urogenital diaphragm

Question 10

Relations of the anterior surface of the prostate

Answer 10

Lies 2cm behind pubic symphysis
Upper part connected to the pubic bones by puboprostatic ligaments
Lower end is pierced by the urethra

Question 11

Relations of the posterior surface of the prostate

Answer 11

Separated from rectum by fascia of Denonvilliers
Near the upper border it is pierced by the ejaculatory duct

Question 12

Relations of inferolateral surface of prostate

Answer 12

Side walls of pelvis

Question 13

Lateral relations of the prostate gland

Answer 13

Medial margins of levator ani muscles

Question 14

What is the true capsule of the prostate?

Answer 14

Formed by condensation of the peripheral part of the gland
Fibromuscular in structure and is continuous with stroma of the gland

Question 15

What is the false capsule of the prostate?

Answer 15

Lies outside the true capsule
Derived from the endopelvic fascia

Question 16

Location of the prostatic venous plexus of the true capsule

Answer 16

Embedded between the true and false capsule

Question 17

Ligaments of the prostatic capsule

Answer 17

Medial pair lies near the apex
Lateral pair is close to the base

Question 18

How many lobes does the prostatic gland contain?

Answer 18

5 lobes

Question 19

What are the lobes of the prostatic gland?

Answer 19

Anterior (isthmus): Anterior to urethra
Posterior: Posterior to urethra and inferior to ejaculatory ducts
Two lateral: On each side of urethra
Middle (median): Between urethra and ejaculatory ducts

Question 20

Arterial supply of prostate

Answer 20

Branches from inferior vesical, middle rectal and internal pudendal arteries

Question 21

Venous drainage of prostate

Answer 21

Prostatic venous plexus which drains into internal iliac veins

Question 22

Lymphatic drainage of prostate

Answer 22

Internal iliac lymph nodes

Question 23

Nerve supply of prostate

Answer 23

Prostatic plexus of nerves derived from the lower part of the inferior hypogastric plexus

Question 24

What are the bulbourethral glands?

Answer 24

Paired, pea shaped glands

Question 25

Location of the bulbourethral glands?

Answer 25

Within urogenital diaphragm
Found on each side of membranous urethra

Question 26

Where does the contents of the duct drain?

Answer 26

Spongy urethra

Question 27

Secretions of the bulbourethral gland

Answer 27

Clear, viscour mucis which wash the urethra from acidic urine