7: Andrology

Question 1

Urinary bladder trigone

Answer 1

Formed by 2 ureteric orifices + internal urethral orifice

Question 2

Where is the involuntary internal sphincter of the bladder?

Answer 2

Neck of the bladder

Question 3

Primary component of the wall of the urinary bladder

Answer 3

Detrusor muscle

Question 4

Fascia surrounding detrusor muscle

Answer 4

Vesical fascia

Question 5

Prostate gland homologue in females

Answer 5

Paraurethral glands

Question 6

Urethral glands

Answer 6

Secrete mucus directly into urethra

Question 7

Where is the anorectal flexure?

Answer 7

At levator ani muscles

Question 8

Ampulla of the rectum

Answer 8

Holds fecal mass until defecation

Question 9

Pectinate line

Answer 9

Separates embryologically different regions of the anal canal

Question 10

What does the ductus deferens start and end from?

Answer 10

Epididymis -> ductus deferens -> ejaculatory ducts

Question 11

Straight tubule of testis

Answer 11

Transfers spermatozoa to rete testes

Question 12

Rete testis

Answer 12

Sinusoidal space where spermatozoa enter efferent ductules of epididymis

Question 13

Ventral and dorsal cylinder of the penile erectile tissue from proximal to distal

Answer 13

Ventral cylinder: bulb, corpus spongiosum, glans penis

Dorsal cylinder: crura, corpora cavernosa

Question 14

What transmits the spongy urethra?

Answer 14

Corpus spongiosum

Question 15

Prostatic ducts

Answer 15

Convey prostatic fluid from parenchyma of the gland to prostatic sinus

Question 16

Seminal vesicles

Answer 16

Paired elongated structures between urinary bladder + rectum, secrete fluid that adds to semen

Question 17

Ejaculatory ducts are a union of what two ducts?

Answer 17

Ductus deferens + ducts of the seminal vesicle

Question 18

Where do the ejaculatory ducts start?

Answer 18

Just proximal to the prostatic urethra

Question 19

Bulbourethral gland secretions

Answer 19

Mucus-like substance during sexual arousal

Question 20

Deferentectomy

Answer 20

Vasectomy; ligation and/or excision of ductus deferens thru a small incision in the superior scrotum -> ejaculant is devoid of sperm

Question 21

How to determine prostate enlargement and prostatic cancer?

Answer 21

Digital rectal exams