Male reproductive system

Question 1

Urology

Answer 1

the study of the urinary system

Question 2

Scrotum

Answer 2

supporting structure
outpouching of the anterior abdominal wall
raphe
scrotal septum

Question 3

Function of the scrotum

Answer 3

protection
temp regulation (two muscles contract in response to cold temp to maintain testicular temp) cremaster and dartos

Question 4

Testes

Answer 4

male gonads
partially cover the tunica vaginalis

Question 5

Histology and spermatogenesis

Answer 5

the two seminiferous tubules are lines with two types of cells (spermatogenic cells and nurse cells)
in the spaces between adjacent semiferous tubules are clusters of interstitial endocrine Leydig cells

Question 6

spermatozoa

Answer 6

head and tail

Question 7

ducts

Answer 7

sperm moves from the seminiferous tubules by a system of ducts within the testes toward the epidydmis where they complete their maturation

Question 8

Epididymis

Answer 8

located within the tunica vaginalis and consists mostly of ducts
head, body and tail
transport sperm during ejaculation into the ductus deferens

Question 9

Ductus deferens

Answer 9

ascend from the tail of the epididymis
structural features include-dilated terminal portion referred to as the ampulla
transport sperm during ejaculation into the ejaculatory ducts

Question 10

Ejaculatory ducts

Answer 10

union of the duct of the seminal gland and the ampulla of the ductus deferens
originates superior to the prostate and terminates in the prostatic urethra

Question 11

Male urethra

Answer 11

serves as a passageway for both semen and urine and consists of the prostatic urethra, membranous urethra and spongy urethra

Question 12

Spermatic cord

Answer 12

passes through the inguinal canal to enter the pelvic cavity

Question 13

Accessory sex glands

Answer 13

secretes most of the liquid portion of semen
seminal glands
prostate
bulbourethral glands

Question 14

Seminal glands

Answer 14

lateral to the ampulla of vas deferens
secretes alkaline flui referred to as seminal fluid which accounts for approximately 60% of the volume of semen

Question 15

Prostate

Answer 15

inferior to the urinary bladder
secretes an acidic fluid that contains citric acid and proteolytic enzymes
prostatic secretions enter the prostatic urethra via prostetic ducts

Question 16

Bulbourethral glands

Answer 16

inferior to the prostate on either side of the membranous urethra
secrete an alkaline fluid that contains mucous
secretions enter the spongy urethra via two bulbourethral ducts

Question 17

Penis

Answer 17

supporting structure
passageqy for ejaculation of semen and excretion of urine
cylindrical and consists of 3 regions-root, body, glans penis
root-consist of 3 major components-the bulb of the penis and the crura of the penis

Question 18

Body of the penis

Answer 18

3 cylindrical masses of erectile tissue that are individually surrounded by the tunica albuginea

Question 19

Glans penis

Answer 19

the slightly enlarged distal end of the corpus spongiosum penis
the distal urethra enlarges with the glans penis to form. the external urethral orifice

Question 20

Penis parts

Answer 20

parasympathetic fibres from the sacral portion of the spinal cord initate and maintain an erection
ejaculation is a sympathetic reflex from the lumbar portion of the spinal cord
peristaltic contraction of the system of ducts and accessory sex glands propel a small volume of semen into the spongy urethra