Extra - Male Reproductive Anatomy

Question 1

What is the male reproductive organ?

Answer 1

The testes

Question 2

What are the 4 main accessory male reproductive organs?

Answer 2

The penis, vas deferens, seminal glands and prostate gland

Question 3

Is the internal urethral sphincter in the male bladder neck voluntary or involuntary?

Answer 3

Involuntary

Question 4

Is the male external urethral sphincter voluntary or involuntary?

Answer 4

Voluntary

Question 5

What is the most anterior organ in the pelvis?

Answer 5

The bladder

Question 6

When the bladder is empty, what does it lie posterior to?

Answer 6

The pubic bone

Question 7

In males, what lies inferior to the bladder?

Answer 7

The prostate gland

Question 8

In males, what lies posterior to the bladder?

Answer 8

The rectum

Question 9

What structures form the trigone of the bladder?

Answer 9

2 ureteric orifaces and the internal urethral oriface

Question 10

The bladder wall is formed of which muscle?

Answer 10

The detrusor muscle

Question 11

What is the internal urethral sphincter composed of?

Answer 11

Detrusor muscle

Question 12

When does the internal urethral sphincter contract and what is the purpose of this?

Answer 12

During ejaculation, to prevent retrograde ejaculation

Question 13

Where do the testes develop? Where do they end up?

Answer 13

On the posterior abdominal wall / in the scrotum

Question 14

During their descent, the testes descend through the anterior abdominal wall within what structure?

Answer 14

Inguinal canal

Question 15

What are the structures contained within the spermatic cord?

Answer 15

Testicular artery and vein, lymphatic vessels, vas deferents, cremasteric muscle

Question 16

Inside the scrotum the testis sit within a sac known as what? When this sac fills with fluid what is this known as?

Answer 16

Tunica vaginalis / hydrocele

Question 17

Where are sperm produced?

Answer 17

In the seminiferous tubules

Question 18

In the seminiferous tubules, the temperature is around 1 degree lower than the rest of the body. What structure helps to control this?

Answer 18

The Dartos muscle

Question 19

From the seminiferous tubules within the testis, the sperm pass into where, and then where?

Answer 19

The rete testis, and then the head of the epididymis

Question 20

The epididymis goes on to become what?

Answer 20

The vas deferens

Question 21

The epididymis is located at what aspect of the testis?

Answer 21

Posterior

Question 22

Where can the vas deferens be palpated?

Answer 22

Within the spermatic cord - in the scrotum, superiorly

Question 23

The arteries supplying blood to the testes arise from where?

Answer 23

The abdominal aorta (lateral)

Question 24

The left testicular vein drains into where?

Answer 24

The left renal vein

Question 25

The right testicular vein drains into where?

Answer 25

The IVC

Question 26

To get into/out of the inguinal canal, the blood supply to the testes passes through where?

Answer 26

The deep inguinal ring

Question 27

The seminal gland produces seminal fluid which is rich in what?

Answer 27

Fructose

Question 28

The prostate gland surrounds what structure?

Answer 28

The prostatic urethra

Question 29

The inferior aspect of the prostate gland is in contact with what structure?

Answer 29

Levator ani

Question 30

Most cancers arise from which zone of the prostate gland?

Answer 30

The peripheral zone

Question 31

Complete the sentence about the route of sperm: the vas deferens passes ? in the spermatic cord, to the deep inguinal ring. At the deep inguinal ring, the vas deferens turns ? into the pelvis and travels ? to the bladder

Answer 31

Superiorly / medially / posterior

Question 32

The right and left ejaculatory ducts join together where?

Answer 32

At the prostate gland

Question 33

The anatomical position of the penis is what?

Answer 33

Erect

Question 34

The root of the penis is laterally attached to which bone of the pelvis?

Answer 34

Ischium

Question 35

Which cylinders of erectile tissue are located posteriorly in the penis?

Answer 35

The right and left corpus cavernosum

Question 36

The corpus cavernosum transmit what structure?

Answer 36

The deep artery of the penis

Question 37

The corpus spongiosum transmit what structure?

Answer 37

The spongey urethra

Question 38

Which type of erectile cylinder expands distally to form the glans penis?

Answer 38

The corpus spongiosum

Question 39

The blood supply to the penis is primary via what? Which branches from what? Which branches from what?

Answer 39

Deep arteries of the penis / internal pudendal artery / internal iliac artery

Question 40

Blood supply to the scrotum is via the anterior scrotal artery which branches from where? And the posterior scrotal artery which branches from where?

Answer 40

External iliac artery / internal pudendal artery

Question 41

Lymph from the scrotum and most of the penis (except the glans) drains to which nodes?

Answer 41

Superficial inguinal

Question 42

Lymph from the testes drains to which nodes?

Answer 42

Lumbar/para-aortic nodes

Question 43

cover and name

Answer 43