28 B (Male Reproductive System)

Question 1

what does the scrotum do?

Answer 1

provides the testes with a cooler environment than body temperature

Question 1

skin-covered sac

Answer 1

scrotum

Question 2

the scrotum is homologous to what female structure?

Answer 2

the labia majora

Question 3

this structure consists of muscle, vasculature & nervous tissue

Answer 3

spermatic cord

Question 4

where does the spermatic cord originate?

Answer 4

in the inguinal canal

Question 5

each testes is

Answer 5

an oval organ within the scrotum

Question 6

what does the testes produce?

Answer 6

sperm & testosterone

Question 7

each testes is subdivided into

Answer 7

about 250 lobules

Question 8

each lobule of the testes contains up to

Answer 8

4 convoluted seminiferous tubules

Question 9

development of sperm

Answer 9

spermatogenesis

Question 10

where does spermatogenesis occur?

Answer 10

in the seminiferous tubules of testes

Question 11

what structures make up sperm?

Answer 11

(1) head
(2) acrosome
(3) mitochondria
(4) flagellum

Question 12

list the ducts in the male reproductive tract, from the testis through the penis

Answer 12

(1) epididymis
(2) ductus deferens
(3) ejaculatory duct
(4) urethra

Question 13

this duct is situated on the posterosuperior surface of the testes

Answer 13

epididymis

Question 14

what is the function of the epididmyis?

Answer 14

stores sperm cells & assists in their maturation

Question 15

sperm leaving the epididymis will enter what ducts?

Answer 15

the thick-walled ductus deferens

Question 16

the ductus deferens travels within the ______

Answer 16

spermatic cord

Question 17

the ductus deferens will enter the pelvic cavity through the ______

Answer 17

inguinal canal

Question 18

how is the ejaculatory duct formed?

Answer 18

the ductus deferens unites with the proximal portion of the seminal vesicle

Question 19

what is the function of the ejaculatory duct?

Answer 19

conducts sperm & seminal vesicle secretions to the prostatic urethra

Question 20

what is the function of the male urethra?

Answer 20

transports semen from both ejaculatory ducts to the outside of the body

Question 21

list the subregions of the male urethra

Answer 21

(1) prostatic
(2) membranous
(3) spongy

Question 22

3 glands secrete fluids to mix with sperm to create what?

Answer 22

seminal fluid

Question 23

what is the purpose of seminal fluid?

Answer 23

nourishment of the sperm & neutralizes the acidity of the vagina

Question 24

list the three accessory glands associated with the male reproductive system

Answer 24

(1) seminal vesicles (2) prostate gland (3) bulbourethral glands

Question 25

this gland is an elongated hollow organ

Answer 25

seminal vesicles

Question 26

where are the seminal vesicles located?

Answer 26

on the posterior surface of the urinary bladder, lateral to the ampulla of the ductus deferens

Question 27

what is the function of the seminal vesicles

Answer 27

they secrete a viscous, whitish-yellow, alkaline fluid containing fructose & prostaglandins

Question 28

this gland secretes directly into the prostatic urethra

Answer 28

prostate gland

Question 29

where is the prostate gland located?

Answer 29

immediately inferior to the urinary bladder

Question 30

when released, semen is called

Answer 30

ejaculate

Question 31

what is semen made up of?

Answer 31

seminal fluid & sperm

Question 32

what does external genitalia formed from?

Answer 32

penis & scrotum

Question 33

elongated portion of the penis

Answer 33

body/shaft

Question 34

tip of the penis

Answer 34

glans

Question 35

what does the glans surround?

Answer 35

the external urethral orifice

Question 36

the foreskin of an uncircumcised penis

Answer 36

prepuce

Question 37

what does the shaft of the penis contain?

Answer 37

3 parallel cylindrical erectile bodies

Question 38

list the erectile bodies of the shaft

Answer 38

(1) paired corpora cavernosa (2) single corpus spongiosum

Question 39

this body is ventral & along the midline

Answer 39

corpus spongiosum

Question 40

these bodies are located dorsolaterally

Answer 40

corpora cavernosa

Question 41

what part of the corpus spongiosum continues within the glans?

Answer 41

the distal end

Question 42

what does the corpus spongiosum surround?

Answer 42

the spongy urethra

Question 43

what is the function of the bulbourethral gland?

Answer 43

secretes mucin for lubrication

Question 44

this condition is the result of the growth of the prostate constricting the urethra

Answer 44

benign prostatic hyperplastic (BPH)

Question 45

what can happen as a result of BPH?

Answer 45

urine flow is affected

Question 46

this condition is the result of soft tissue bulging through the opening of the inguinal canal

Answer 46

inguinal hernia

Question 47

what is the function of the body of the penis?

Answer 47

contains erectile tissue that simulates sexual arousal & climax

Question 48

what is the function of the glans of the penis?

Answer 48

contains erectile tissue that simulates sexual arousal & climax