Male anatomy

Question 0

What moves to change the temperature of the testes?

Answer 0

Dartos muscle and fascia
expands or contracts depending on temperature regulation
works also with cremaster muscle

Question 1

What is the scrotum?

Answer 1

It surrounds the testes
Cutaneous sac which keeps the testes cool
Contains testes, epididymis, spermatic cord

Question 2

What is the supply to the scrotum?

Answer 2

scrotal arteries

scrotal nerves

Question 3

What is the innervation of the testes?

Answer 3

Pudendal nerve
Sacral plexus
Lumbar plexus

Question 4

What is the testes surrounded by?

Answer 4

Tunica albuginea
Tunica vaginalis
Tunica vasculosis

Question 5

What is the blood supply to the testes?

Answer 5

Testicular artery (from aorta)

Question 6

What is the venous drainage of the testes?

Answer 6

Testicular arteries
Right into IVC
Left into renal vein

Question 7

What is the lymphatics of the testes?

Answer 7

para-aortic nodes

scrotum via superficial inguinal nodes

Question 8

Explain the descent of the testes

Answer 8

Develop at mesonephric ridge
descend through the abdomen
through inguonal canal
testes exits antero lateral wall

Question 9

What is the first examination of boy at birth?

Answer 9

check testes are in scrotum

Question 10

How long is the epididymis?

Answer 10

23 feet

Question 11

Where are the sertoli and leydig cells?

Answer 11

in the seminiferous tubules

Question 12

What does the spermatic cord contain?

Answer 12

testicular artery
pampiniform plexus 
genitofemoral nerve 
cremasteric artery 
artery to vas deferens 
processus vaginalis
vas deferens 
lymphatics

Question 13

What is the spermatic cord surrounded by?

Answer 13

External spermatic fascia - ex oblique
cremasteric muscle and fascia - internal oblique
Internal spermatic fascia - transversalis fascia

Question 14

What is the cas deferens?

Answer 14

Straight muscular tube connecting epididymis to the prostatic urethra

Question 15

What does the vas deferens enter between?

Answer 15

Ureter or bladder

Question 16

Where are the contents propelled?

Answer 16

Into the ejaculatory ducts

Question 17

What proportion of semen does the prostate produce?

Answer 17

20%
acidic, milky, secretions
contains prostaglandins, citric acid, phosphate, proteolytic enzymes

Question 18

What does the bulbourethral gland secrete?

Answer 18

Thin, mucous, watery fluid

lubricates urethra and neutralises

Question 19

What makes up the penis?

Answer 19

Urethra
Corpus cavernosum and spongiosum 
Crus 
bulb
Glans penis

Question 20

What supplies the corpus cavernosum?

Answer 20

cavernosal arteries

internal pudendal arteries

Question 21

What does the urethra pass into before the glans penis?

Answer 21

Navicular fossa

Question 22

What covers the erectile muscles?

Answer 22

Bucks fascia

Question 23

What is a hydrocoele?

Answer 23

Fluid withon the tunica vaginalis

Question 24

What is a haematocoele?

Answer 24

Blood within the tunica vaginalis

Question 25

What is a variocoele?

Answer 25

Venous engorgement causing a lump

common in left due to renal vein

Question 26

What is a spermatocoele?

Answer 26

epididymal cyst within the tunica vaginalis

Question 27

What path does an inguinal hernia follow?

Answer 27

Direct passage through the deep inguinal ring - follows the path of testes

Question 28

What is testicular torsion?

Answer 28

twisting of the spermatic cord - medical emergency

Question 29

What type of cancer is prostate usually?

Answer 29

Adenoma

Question 30

How does prostate metastasise?

Answer 30

internal iliac nodes
sacral nodes
venous plexus to brain

Question 31

what is azoospermia?

Answer 31

Lack of sperm at all

Question 32

What is oligozoospermia?

Answer 32

Low sperm count

Question 33

What is orchitis?

Answer 33

Inflammation of the testes

Common after mumps