Reproductive anatomy

Question 1

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

Answer 1

dartos muscle

Question 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

Answer 2

cremaster muscle

Question 3

Mature sperm are stored in the ______

Answer 3

lower portion, or tail, of the epididymis

Question 4

Spermatic cord contains

Answer 4

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

Question 5

a fibromuscular tube that is continuous with the epididymis.

Answer 5

Vas / Ductus Deferens

Question 6

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

Answer 6

inguinal canal
bladder
prostate gland.

Question 7

glands posterior to the urinary bladder.

Answer 7

Seminal vesicle

Question 8

seminal fluid

Answer 8

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

Question 9

Sperm counts _____ can present fertility problems.

Answer 9

< 10 to 20 million/ ml

Question 10

There are between ______ of semen.

Answer 10

50 to 150 million sperm per milliliter

Question 11

two dorsal columns = _______

single, ventral column surrounding the urethra = ______

Answer 11

corpora cavernosa

corpus spongiosum

Question 12

Hormone that stimulates spermatogenesis

Answer 12

FSH

Question 13

Hormone that stimulates production of testosterone

Answer 13

LH

Question 14

stimulates the development of male secondary sex characteristics & spermatogenesis.

Answer 14

Testosterone

Question 15

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

Answer 15

sustentacular cells (Sertoli’s cells),

Question 16

Each primary spermatocyte goes through meiosis I to produce _____

Answer 16

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

Question 17

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

Answer 17

two spermatids.

Question 18

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

Answer 18

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

Question 19

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

Answer 19

at least 30 days, maybe more

Question 20

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

Answer 20

74 days.

48+ hours

Question 21

Onset of female breast development

Answer 21

Thelarche

Question 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

Answer 22

Adrenarche

Question 23

Appearance of pubic hair

Answer 23

Pubarche

Question 24

Puberty is essentially related to changes in what hormone

Answer 24

GnRH (hypothalamus)

Question 25

The hallmark of adrenarche is the

Answer 25

“growth spurt”– increased height.

Question 26

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

Answer 26

Leptin

Question 27

Order of the "-arches's"

Answer 27

Adrenarche Thelarche Pubarche Menarche

Question 28

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

Answer 28

Tanner 2

Question 29

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

Answer 29

Tanner 3

Question 30

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

Answer 30

Tanner 4

Question 31

Mature adult breast | Pubic hair extends to upper thigh

Answer 31

Tanner 5

Question 32

First ovulation usually occurs ____ months after menarche

Answer 32

6 – 9

Question 33

Bladder is ______ to the uterus

Answer 33

anterior

Question 34

Order of fallopian tubes, from opening at ovary to uterus

Answer 34

``` Fimbriae Infundibulum Ampulla Isthmus Pars Uterina ```