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Flashcards in Reproductive anatomy Deck (34)
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1

Smooth muscle fibers in the subcutaneous tissue, the _______ contract to give the scrotum its wrinkled appearance.

dartos muscle

2

the _______ controls the position of the scrotum and testes. When it is cold or a man is sexually aroused, this muscle contracts to pull the testes closer to the

cremaster muscle

3

Mature sperm are stored in the ______

lower portion, or tail, of the epididymis

4

Spermatic cord contains

Proximal ductus deferens
testicular artery and veins
lymph vessels
testicular nerve
cremaster muscle
connective tissue covering

5

a fibromuscular tube that is continuous with the epididymis.

Vas / Ductus Deferens

6

Vas Deferens enters the abdominopelvic cavity through the ______ and passes along the lateral pelvic wall, behind _____ & toward the ______

inguinal canal
bladder
prostate gland.

7

glands posterior to the urinary bladder.

Seminal vesicle

8

seminal fluid

viscous, contains fructose prostaglandins (mobility, viability) and proteins (slight coagulation rxn in semen)

9

Sperm counts _____ can present fertility problems.

< 10 to 20 million/ ml

10

There are between ______ of semen.

50 to 150 million sperm per milliliter

11

two dorsal columns = _______
single, ventral column surrounding the urethra = ______

corpora cavernosa

corpus spongiosum

12

Hormone that stimulates spermatogenesis

FSH

13

Hormone that stimulates production of testosterone

LH

14

stimulates the development of male secondary sex characteristics & spermatogenesis.

Testosterone

15

Interspersed within the tubules are large cells which are the ________ which support and nourish the other cells.

sustentacular cells (Sertoli's cells),

16

Each primary spermatocyte goes through meiosis I to produce _____

two secondary spermatocytes, each with 23 chromosomes (haploid).

17

In the second meiotic division, meiosis II, each secondary spermatocyte divides to produce______

two spermatids.

18

As a result of the two meiotic divisions, each primary spermatocyte produces ______

four spermatids, each with 23 chromosomes (haploid)-- one from each pair in the original primary spermatocyte.

19

how long after the time of a vasectomy does a man become officially “infertile”?

at least 30 days, maybe more

20

The entire process, beginning with a primary spermatocyte, takes about _____ After ejaculation, the sperm can live for about ______ in the female reproductive tract.

74 days.
48+ hours

21

Onset of female breast development

Thelarche

22

Growth spurt / change in height. onset of androgen-dependent body changes such as growth of axillary and pubic hair, body odor, and acne - begins up to 6 years before puberty

Adrenarche

23

Appearance of pubic hair

Pubarche

24

Puberty is essentially related to changes in what hormone

GnRH (hypothalamus)

25

The hallmark of adrenarche is the

“growth spurt”– increased height.

26

Hormone which regulates appetite and metabolism through the hypothalmus. It has a permissive role in regulating the timing of puberty.

Leptin

27

Order of the "-arches's"

Adrenarche
Thelarche
Pubarche
Menarche

28

Early development of subareolar breast bud
small amounts of pubic and axillary hair

Tanner 2

29

Increase in size of palpable breast tissue and areolae
Increased dark curled pubic/axillary hair

Tanner 3

30

Breast tissue and areolae protrude above breast level.
Adult pubic hair but no spread to medial thighs.

Tanner 4

31

Mature adult breast
Pubic hair extends to upper thigh

Tanner 5

32

First ovulation usually occurs ____ months after menarche

6 – 9

33

Bladder is ______ to the uterus

anterior

34

Order of fallopian tubes, from opening at ovary to uterus

Fimbriae
Infundibulum
Ampulla
Isthmus
Pars Uterina