Quiz 6

Front 1

Size of a pea, located on either side of urethra below prostate

Back 1

Bulbourethral (cowpers) glands

Front 2

Bulbourethral glands secrete ____ & _____. To neutralize acid environment in urethra

Back 2

Alkaline fluid & lubricating mucus

Front 3

Male copulatory organ that contains urethra.

Back 3

Penis

Front 4

Erectile tissue in penis fills with what?

Back 4

Blood

Front 5

Penis contains what chambers?

Back 5

Corpora cavernosa (z chambers), corpora spongiosum, glans penis (head)

Front 6

Erection is a ____ reflex

Back 6

Parasympathetic

Front 7

Release of ____ causes vasodilation

Back 7

NO

Front 8

_____ fill w/ blood that putting pressure on veins that normally drain penis. Known as what?

Back 8

Corpora. Known as priapism

Front 9

Ejaculation is a ____ reflex.

Back 9

Sympathetic

Front 10

___ muscle closes to prevent urine from being expelled or sperm entering. What kind of contractions?

Back 10

Smooth/ peristaltic

Front 11

Sperm production known as ? Takes how long?

Back 11

Spermatogenesis; 65-75 days

Front 12

Spermarogenic cells become what?

Back 12

2N spermatogonium (mitosis)

Front 13

Primary speematocyte undergo ___ to become secondary

Back 13

Meiosis I (1 N)

Front 14

Secondary spermatocyte undergo ___ to form 4 spermatids

Back 14

Meiosis II (1N)

Front 15

Joined by what?

Back 15

Cytoplasmic bridges

Front 16

Spermatids undergo differentiation to form sperm

Back 16

Spermiogenesis

Front 17

3 regions of sperm

Back 17

Head: nucleus and acrosome

Mid piece: mitochondria for power

Tail: flagellum for locomotion

Front 18

Stimulates anterior pituitary

Back 18

Gonadotropin releasing hormone

Front 19

Stimulates leydig cells to secrete testosterone

Back 19

Leutenizing hormone

Front 20

Works with testosterone on Sertoli cells to control rate of spermatogenesis

Back 20

Follicle stimulating hormone

Front 21

Stimulates spermatogenesis and secondary sexual characteristics

Back 21

Testosterone

Front 22

Mix of sperm and seminal fluid.

Back 22

Semen

Front 23

Mean volume, sperm count, ph

Back 23

2.5-5 ml, 20-100 million/ ml, 7.2-7.7

Front 24

Semen also contains antibiotic to what?

Back 24

Kill bacteria in urethra and vagina

Front 25

Homologous to testes. Located on either side of the uterus, in pelvic cavity, covered by germinal epithelium

Back 25

Ovaries

Front 26

Capsule of dense connective tissue

Back 26

Tunica albunae

Front 27

Dense connective tissue containing ovarian follicles

Back 27

Ovarian cortex

Front 28

Loose connective tissue containing blood and lymph vessels and nerves

Back 28

Ovarian medulla

Front 29

Composed of oocytes in various stages. Surrounded by support cells.

Back 29

Ovarian follicles

Front 30

Follicular cells are ___ layer. Grnulosa cells are ____ layer.

Back 30

Single (primordial); later multiple cells (developing)

Front 31

Support cells secrete what?

Back 31

Nutrients for developing oocyte and estrogens

Front 32

Releases secondary oocyte during ovulation

Back 32

Mature follicle

Front 33

Remains of ovulated mature follicle, produces progesterone estrogens, relaxin, and inhibin

Back 33

Corpus luteum

Front 34

Small tubes that extend from near ovaries to the uterus; function to transport secondary oocyte to uterus.

Back 34

Fallopian tubes

Front 35

Fertilization usually occurs where

Back 35

Fallopian tubes

Front 36

What contractions in Fallopian tubes?

Back 36

Cilia and muscular

Front 37

End of Fallopian tubes near ovary; open to pelvic cavity; funnel like structure that guides oocyte to Fallopian tube (fimbriae)

Back 37

Infundibulum

Front 38

Located between urinary bladder and rectum. Site of implantation, fetus development, and labor

Back 38

Uterus

Front 39

3 parts of uterus

Back 39

Fundus, body, cervix (opens to vagina)

Front 40

3 tissue layers of uterus

Back 40

Perimetrium: outer layer (simple squamous)

Myometrium: middle, 3 layers smooth muscle

Endometrium: inner, highly vascularized

Front 41

Parts of endometrium

Back 41

Uterine glands, spiral arteries, sloughed off during menstruation

Front 42

Passageway from cervix to outside

Back 42

Vagina

Front 43

Vagina made of what?

Back 43

Stratified squamous epithelium, 2 layers of smooth muscle, and connective tissue

Front 44

Ph is ___ to retard bacterial growth

Back 44

Acidic

Front 45

Protective external structure; playa role in sexual arousal

Back 45

Vulva

Front 46

Vulva composed of

Back 46

Labia minor and majora

Clitoris (homologous to penis)

Front 47

Production of ova

Back 47

Oogenesis

Front 48

Before birth ovarian cells differentiate into ____ which develops into ____.

Back 48

Oogenia; primary oocytes (2N)

Front 49

Primary oocytes enter into ____ during fetal development and stops.

Back 49

Prophase I.

Front 50

Do not complete meiosis I until when?

Back 50

After puberty

Front 51

Each month after puberty primary oocytes resume meiosis I and form what?

Back 51

Secondary oocyte and polar body

Front 52

Approx ___ oocytes ovulate during reproductive period. ___ at birth. ____ at puberty. Known as what?

Back 52

400; 200,000- 2,000,000; 40,000. Known as Atresia

Front 53

____ proceeds with meiosis II up to metaphase II.

Back 53

Secondary oocyte

Front 54

Secondary oocytes released from ____ during ovulation

Back 54

Mature follicle

Front 55

If fertilization does not occur what happens to secondary oocyte?

Back 55

It degenerates

Front 56

If fertilization does occur what happens?

Back 56

Secondary oocyte resumes meiosis II forming ovum and polar body. Sperm and egg nuclei fuse and form zygote