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Flashcards in Reproductive System Deck (170)
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1

Scrotum

contains paired testes and hangs outside abdominopelvic cavity

2

What winkles the scrotal skin?

dartos muscles

3

What elevates the testes?

cremaster muscle

4

What is the name of the serous membrane covering the testes?

tunica vaginalis

5

What is the fibrous capsule of testis?

tunica albuginea

6

What produces testosterone?

interstitial endocrine cells

7

What produces sperm?

seminiferous tubules

8

What are the testes divided into?

250 lobules

9

What encloses nerve fibers, blood vessels, lymphatics and ductus deferens?

spermatic cord

10

What are the major part of the penis?

root, shaft, glans penis and prepuse

11

What does the internal penis contain?

spongy urethra and 3 cylindrical of erectile tissue

12

What are the erectile tissue in the penis?

corpus spongiosum and corpus cavernosa(paired)

13

What is the order of the male duct system?

epididymsis-> ducyus deferens -> ejaculatory duct -> urethra

14

Site where sperm gain ability to swim

epididymis

15

stores sperm prior to ejaculation

epididymis

16

Epididymis

immature sperm conveyed from seminiferous tubules

17

Where does the epididymis empty into?

ductus deferens

18

Ductus deferens joins duct of what to form the ejaculatory duct?

seminal vesicle

19

Cutting and ligating ductus deferens

vasectomy

20

What are the 3 regions of the urethra?

1. prostatic urethra
2. membranous urethra
3. spongy urethra

21

Which of the accessory glands are paired?

seminal vesicles, bulbo-urethral glands and prostate

22

What contains 70% of semen volume?

seminal vesicle

23

What are the 2 components of semen?

fructose and prostaglandins

24

Contains up to 1/3 of semen volume

prostate

25

Pea-sized glands inferior to prostate

bublo-urethral glands

26

Bulbo-urethral glands

lubricates glans penis and neutralizes traces of urine

27

What are the functions of semen

1. provides transport medium for sperm
2. provides fuel for ATP synthesis
3. contains chemicals that enhance sperm motility

28

pH of sperm

7.2-8.0

29

Why is the pH of the sperm so basic?

this is because the vagina is acidic

30

How many total chromosomes in a diploid cell?

2n=46