DAT Reproductive System Cheat Sheet Flashcards

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1
Q

Diploid, non-reproductive cells
(E.g., muscle cells, skin cells, nerve cells)

A

somatic cells

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2
Q

Diploid cells of embryonic origin and
gives rise to gametes via meiosis (E.g.,
spermatogonium, oogonium)

A

germ cell

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3
Q

Haploid sex cells (E.g., egg and sperm)

A

gamete

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4
Q

Birth to live young that receive nutrients
directly from the mother’s body

A

viviparity

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5
Q

Fertilized eggs get laid then hatch later

A

oviparity

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6
Q

Internally fertilized eggs hatch and give
birth to live young who continue to receive nutrients from
the yolk of the egg

A

ovivoparity

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7
Q

Reproductive
structures responsible for
producing gametes.

A

gonads

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8
Q

Site of sperm and male sex hormone production

A

testicles

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9
Q

what within the testes produce sperm

A

seminiferous tube

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10
Q

Stimulated by FSH and surround and
nurture the sperm

A

sertoli cells

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11
Q

Secrete male hormones
(E.g., testosterone and androgens) in the presence of LH

A

Interstitial cells (Leydig cells):

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12
Q

Coiled tube attached to each testicle that serves as
the site of final sperm maturation and stoOrage.

A

Epididymis:

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13
Q

Transfers sperm from each epididymis to the
urethra.

A

Vas deferens:

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14
Q

Excrete fluid into the vas deferens upon
ejaculation.

A

Seminal vesicles:

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15
Q

Transports semen into vagina.

A

penis

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16
Q

Produces eggs (ova).

A

ovary

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17
Q

females have how many ovaries

A

2

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18
Q

Responsible for moving
the eggs from the ovary to the uterus

A

Oviduct (Fallopian/Uterine Tube):

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19
Q

Site of fertilization (where the sperm meets the egg).

A

Oviduct (Fallopian/Uterine Tube):

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20
Q

WHAT of the oviduct sweep the egg into the
fallopian tube once released from the ovary.

A

The fimbriae

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21
Q

Muscular chamber in which the embryo develops
until birth.

A

uterous

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22
Q

Zygote attaches to WHAT after fertilization

A

uterine wall

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23
Q

Muscular canal that serves as a birth canal during
delivery.

A

vagina

24
Q

The vagina is connected to the uterus via

A

the cervix

25
Q

3 components of sperm

A

head, mid piece, tail

26
Q

Contains several features, including the
sperm DNA.

A

sperm head

27
Q

Lysosome-like organelle that
penetrates the egg.

A

acrosome

28
Q

Haploid (23 chromosomes)… in head of sperm

A

pronucleous

29
Q

Plethora of mitochondria for energy. (sperm)

A

midpiece

30
Q

Flagellum-produces motion. sperm

A

tail

31
Q

pathway of sperm acronym to remember

A

seven up

32
Q

pathway of sperm

A

S – Seminiferous tubules
E – Epididymis
V – Vas deferens
E – Ejaculatory duct
n – nothing
U – Urethra
P – Penis

33
Q

Sperm fertilize the egg in the
fallopian tube, and it continues to
divide via

A

cleavage

34
Q

Heart begins beating, what week of dev

A

week 5

35
Q

Development of embryo
has reached fetus stage, what week of dev

A

week 8

36
Q

Development has
reached full term

A

week 40

37
Q

Meiotic cell divisions à producing eggs

A

oogenesis

38
Q

Oogenesis and follicular development occur in
parallel to each other with 2 stages…

A

before
birth and during adolescence to menopause

39
Q

During ovulation, the follicle will release…

A

the egg (secondary oocyte) out of the
ovary and into the fallopian tube

40
Q

The egg enters the fallopian tube and is
ready to…

A

potentially be fertilized

41
Q

The remaining follicle goes on to become
the

A

corpus leurum

42
Q

if the released egg is not fertilized what happens to corpus leurum

A

it disintegrates

43
Q

development of egg + secretion
of estrogen from follicle

A

follicular cycle

44
Q

midcycle release of egg à surge of LH

A

ovulation

45
Q

secretion of estrogen +
progesterone from corpus luteum after ovulating

A

Luteal phase:

46
Q

males formation of gametes is called

A

Spermatogenesis

47
Q

a 2n spermatogonium undergoes mitosis and
meiosis here to eventually mature into

A

4 sperm that then travel to the epididymis for storage

48
Q

Hypothalamus releases what in male reproductive cycle

A

GnRH

49
Q

GnRH triggers anterior pituitary to release

A

FSH and LH

50
Q

FSH stimulates what cells to do what

A

Sertoli cells to promote the development
of the sperm

51
Q

(FSH stimulates what process

A

spermatogenesis

52
Q

LH stimulates what cells to do what

A

Leydig cells to release testosterone and
androgens

53
Q

Upon fertilization, the egg
implants into the uterine lining –
If fertilization of the egg does not
happen,…

A

it will fail to implant

54
Q

If implantation does occur, the placenta secretes

A

human chorionic gonadotropin
(hCG)

55
Q

what doe hCG do

A

maintains the corpus luteum and stimulates it to release progesterone

56
Q

Estrogen + progesterone levels are spiked artificially
high via medication, causing a negative feedback loop

A

female hormonal contraception