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Biology 3201 > Biology human reproduction > Flashcards

Biology human reproduction Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

The reproductive organs

A

Gonads

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2
Q

Where are the 3 gifts granted

A

1) Prostate gland
2) Cowper’s gland
3) Seminal vessel

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3
Q

The egg is released into the oviduct with the help of fimbraie midway in menstrual cycle.

A

Ovulation

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4
Q

What are the 5 stages of the menstrual cycle

A

1) Follicular stage
2) Ovulation
3) Luteal stage
4) Menstrual stage

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5
Q

The splitting of the zygote. The cell divides but does not grow.

A

Cleavage

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6
Q

Mass of identical cell

A

Morula

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7
Q

A hollow ball of cell where differentiation of the cells begin.

A

Blastocyst

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8
Q

The inner cell mass of the blastocyst becomes specialized cells.

A

Gastrula

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9
Q

When the nervous system forms.

A

Nerula

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10
Q

What are the 3 primary germ layers

A

1) Ectoderm
2) Mesoderm
3) Endoderm

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11
Q

Produces sperm

A

Seminiferous tubules

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12
Q

Secrets testosterone

A

Interstitial cells

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13
Q

Where sperm mature and become motile

A

Epididymis

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14
Q

storage duct leading to the penis, where sperm move out to the penis

A

Vasdeferens

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15
Q

secretes a milky fluid that increases the pH in the female reproductive tract

A

Prostate gland

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16
Q

secrete a clear mucus fluid that aids in lubrication and neutralizes the acidity of any urine in the urethra

A

Cowpers gland

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17
Q

produce a mucus-like fluid that contains the sugar fructose, which provides energy for the sperm

A

Seminal vessicle

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18
Q

sweep an egg into the oviduct

A

Fimbriae

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19
Q

Conduct an egg from ovary to uterus; where fertilization occurs / the tube through which an ovum or egg passes from an ovary.

A

Oviduct

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20
Q

membrane that lines the uterus; provides nutrients to the fetus

A

Endometrium

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21
Q

the opening to the uterus

A

Cervix

22
Q

gives rise to the nervous system and the epidermis, among other tissues.

A

Ectoderm

23
Q

gives rise to the muscle cells and connective tissue in the body.

A

Mesoderm

24
Q

gives rise to the gut and many internal organs

A

Endoderm

25
Q

a transparent sac that develops from cells of the embryonic disk, to enclose the embryo completely.

A

Amnion

26
Q

a small sac that is suspended from the abdominal area of the embryo. It contributes to the formation of the digestive tract and produces the first blood cells and the future egg or sperm cells

A

Yolk sac

27
Q

forms the foundation for the umbilical cord, also becomes part of the urinary bladder.

A

Allantois

28
Q

the outermost membrane. It encloses all the other primary membranes, as well as the embryo. forms the fetal portion of the placenta.

A

Chorion

29
Q

finger like projection massage ovary & causes a follicle to break open & release egg

A

Fimbriae

30
Q

a syndrome associated with a decrease in sexual satisfaction or a decline in a feeling of general well-being with low levels of testosterone in older man.most men have a gradual decline in testosterone at around age 40.

A

Andropause

31
Q

As women age the # of functioning follicles decrease, this causes a gradual decline in estrogen & progesterone in the blood. As the hormones drop the menstrual cycle becomes irregular & within a few years it stops altogether

A

Menopause

32
Q

The horomone that triggers the start of puberty

A

GnHR

33
Q

Produced by the pituitary gland it is responsible for the follicles developing into eggs & secreting estrogen.

A

FSH

34
Q

Produced by the pituitary gland, it increases sperm formation & stimulates the development of sex organs. Helps control the amount of sperm created.

A

FSH

35
Q

Produced by the pituitary gland, it stimulates the interstitial cells to produce testosterone.

A

LH

36
Q

Produced by the pituitary gland it triggers the release of an ovum from the follicle.

A

LH

37
Q

the process of ovulation and menstruation in women

A

Menstrual cycle

38
Q

Produced in the testes this steroid hormone regulated male characteristics.

A

Testosterone

39
Q

a female reproductive organ in which ovum or eggs are produced, present in humans and other vertebrates as a pair.

A

Ovary

40
Q

A small, fluid-filled sac in the ovary that contains one immature egg.

A

Follicle

41
Q

A protein secreted by the Sertoli cells in men. It acts on the hypothalamus to slow the production of release factors for FSH. It acts on the pituitary gland to prevent the production of FSH. When FSH drops the testes release less blank. When the black drops the pituitary gland releases more FSH. This negative feedback loop regulates sperm production.

A

Inhibin

42
Q

Produced by the follicles it is responsible for the thickening of the endometrium, & keeps FSH secretions down to prevent other follicles from developing.

A

Estrogen

43
Q

First produced by the corpus luteum & ovary to prepare the uterus for fertilization, then later by the placenta to maintain pregnancy.

A

progesterone

44
Q

the duct by which urine is conveyed out of the body from the bladder, and which in male vertebrates also conveys semen.

A

Urethra

45
Q

the narrow passage forming the lower end of the uterus.

A

Cervix

46
Q

Mix of sperm, alkaline fluid, lubricant, and sugar.

A

Semen

47
Q

Vas deferens & urethra

A

Penis

48
Q

the muscular tube leading from the external genitals to the cervix of the uterus in women and most female mammals.

A

Vagina

49
Q

The hollow, pear-shaped organ in a woman’s pelvis

A

Uterus

50
Q

an organ which produces sperm (male reproductive cells).

A

Testes

51
Q

the process in a woman of discharging blood and other materials from the lining of the uterus at intervals of about one lunar month from puberty until menopause, except during pregnancy.

A

Menstruation

Biology 3201 (4 decks)

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