Male reproductive anatomy

Question 1

What are the primary male reproductive organ?

Answer 1

Testes

Question 2

What are accessory reproductive organs in males?

Answer 2

Vas deferens
Seminal glands
Prostate glands
Penis

Question 3

What is the vas deferens?

Answer 3

Tube linking testes to urethra

Question 4

What does the vas deferens pass through?

Answer 4

Spermatic cord

Question 5

What is contained in the spermatic cord?

Answer 5

Testicular blood vessels
Vas deferens
Lymphatics

Question 6

What lines the spermatic cord?

Answer 6

Tunica vaginalis

Question 7

What is the tunica vaginalis an extension of?

Answer 7

Peritonium

Question 8

What are the three outer layers of the spermatic cord?

Answer 8

Internal spermatic fascia- extension of transversus abdominis
Cremasteric fascia- extension of Internal oblique
External spermatic fascia- extension of external oblique

Question 9

Describe the route of the vas deferens

Answer 9

Starts at testes/epididymis
Through spermatic cord
Over top of bladder
Posterior to bladder to seminal gland
Through seminal gland to ejaculatory duct in prostate

Question 10

What passes through the prostate?

Answer 10

Prostatic urethra

Ejaculatory duct

Question 11

What two fluids can flow through the prostatic urethra?

Answer 11

Urine

Semen

Question 12

What does the seminal gland do?

Answer 12

Produce semen

Question 13

What is semen rich in?

Answer 13

Fructose

Question 14

What is located directly below the prostate?

Answer 14

Bulbourethral (Cowper’s) gland

Question 15

What does the bulbourethral (Cowper’s) gland secrete?

Answer 15

Mucus for lubrication and acid nutralisation

Question 16

What is the size and shape of the prostate gland?

Answer 16

Walnut

Question 17

What is the inferior surface of the prostate gland in contact with?

Answer 17

Levator ani

Question 18

What are the two zones of the prostate?

Answer 18

Peripheral

Central

Question 19

In which zone does cancer most commonly arise in the prostate?

Answer 19

Peripheral

Question 20

What is the urethra called when it exits the prostate and enters the penis?

Answer 20

Spongy urethra

Question 21

How long is the male urethra?

Answer 21

20cm

Question 22

What are the two components of the male perineum?

Answer 22

Penis

Scrotum

Question 23

What is the anatomical position of the penis?

Answer 23

Erect

Underside anterior

Question 24

What are the three broad areas of the penis?

Answer 24

Root
Body
Glans

Question 25

What is the opening in the penis called?

Answer 25

External urethral opening

Question 26

What normally covers the glans?

Answer 26

Prepuce

Question 27

What runs on the anterior surface of the penis?

Answer 27

Penile raphe

Question 28

What does the penile raphe continue as?

Answer 28

Scrotal raphe

Question 29

Where does the root of the penis attach to?

Answer 29

Ischium

Question 30

How many cylinders of erectile tissue are there in the penis?

Answer 30

3

Question 31

What are the three erectile tissue cylinders in the penis?

Answer 31

R+L Corpus cavernosum | Corpus spongiosum

Question 32

Where are the corpus cavernosum found in the penis?

Answer 32

Posterior

Question 33

What do the corpus cavernosum transport?

Answer 33

Deep arteries of the penis

Question 34

Where is the corpus spongiosum found in the penis?

Answer 34

Anterior

Question 35

What is transported in the corpus spongiosum?

Answer 35

Spongy urethra

Question 36

What is the dividing line between pelvis and perineum?

Answer 36

Levator ani

Question 37

Which parts of the male repro tract are located in the pelvis?

Answer 37

``` Prostate Seminal glands Part of Vas Inguinal canal Cowper's gland ```

Question 38

What parts of the male repro tract are located in the perineum?

Answer 38

Penis Testicles Scrotum

Question 39

What is the most anterior organ in the pelvis?

Answer 39

Bladder

Question 40

What seperated the bladder from rectum?

Answer 40

Rectovesical pouch

Question 41

What lies directly below the bladder?

Answer 41

Prostate

Question 42

What is the trigone of the bladder?

Answer 42

Triangle of smooth looking tissue

Question 43

What makes up the three vertices of the bladder trigone?

Answer 43

2x ureteric orifices | Internal urethral orifice

Question 44

What makes up the bladder wall?

Answer 44

Detrusor muscle

Question 45

What does the internal urethral orifice do during ejaculation?

Answer 45

Contract

Question 46

Where do the testes originate during development?

Answer 46

Posterior abdo wall

Question 47

When do testes descend into the scrotum?

Answer 47

Before birth

Question 48

Where do the blood supply, drainage and lymphatics for the testes come from?

Answer 48

Abdomen

Question 49

What two types of nerve pass through the spermatic cord?

Answer 49

Autonomic- Vas D | Somatic- cremaster muscle

Question 50

What is the innermost lining on the scrotum called?

Answer 50

Tunical vaginalis

Question 51

What are the two layers to the tunica vaginalis?

Answer 51

Parietal | Visceral

Question 52

What is excessive fluid in the tunica vaginalis called?

Answer 52

Hydrocele

Question 53

What makes up the majority of the testicles?

Answer 53

Seminiferous tubules

Question 54

What do the seminiferous tubules do?

Answer 54

Produce sperm

Question 55

Where do sperm pass to from the seminiferous tubules?

Answer 55

Rete testis

Question 56

Where do sperm pass to from the rete testis?

Answer 56

Epididymis

Question 57

What are the two parts of the epididymis?

Answer 57

Head and tail

Question 58

Which part of the epididymis links to the vas deferens?

Answer 58

Tail

Question 59

How much cooler than the core body temp are the testicles?

Answer 59

~1 degree

Question 60

What muscle helps to regulate the temp of the testis?

Answer 60

Dartos muscle

Question 61

Typically how long are testis?

Answer 61

5cm

Question 62

What brain part plays an important role in regulating sperm production?

Answer 62

Pit gland

Question 63

Anatomically where should the epididymis be located?

Answer 63

Posteriorly

Question 64

Where do testicular arteries arise from?

Answer 64

Abdo aorta

Question 65

At what level do the testicular arteries branch from the aorta?

Answer 65

L2

Question 66

Where do the testicular veins drain to?

Answer 66

R to IVC | L to L renal A

Question 67

What happens in a vasectomy?

Answer 67

Vas deferens is cut and sutured closed

Question 68

What arteries supply the penis?

Answer 68

Deep arteries of the penis

Question 69

Where do the deep arteries of the penis arise from?

Answer 69

Internal pudendal A

Question 70

Where do internal pudendal arteries arise from?

Answer 70

Internal iliac A

Question 71

Where is blood supply to the scrotum from?

Answer 71

Internal pudendal A | External iliac A

Question 72

Where does lymph from the scrotum and penis drain to?

Answer 72

Superficial inguinal nodes

Question 73

Where does lymph from the testis drain to?

Answer 73

Lumbar nodes