Introduction to Life Flashcards

1
Q

Active shortly after ovulation by helping the uterine lining to become receptive to implantation of a fertilized egg

A

Progesterone

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2
Q

the main female hormone that contributes to sexual development, including the growth of breasts

A

Oestrogen

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3
Q

what are the two main hormones that get the pregnancy happening

A

Progesterone and oestrogen

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4
Q

it initiates and regulates a woman’s menstrual cycle

A

Oestrogen

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5
Q

hormone that helps to keep your bones healthy and cholesterol levels under control

A

Oestrogen

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6
Q

hormone that helps the uterine grow, maintains uterine lining, regulated other key hormones and triggers the development of baby’s organs

A

Oestrogen

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7
Q

it promotes the growth of breast tissue and helps milk flow

A

Oestrogen

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8
Q

Is made by the pituitary gland in the brain and directs the ovaries to make eggs and estrogen

A

Follicle Stimulating Hormone

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9
Q

it helps control the monthly cycle

A

Follicle Stimulating Hormone

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10
Q

It is the first of a cascade of hormones that’s necessary to launch pregnancy

A

Follicle Stimulating Hormone

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11
Q

Stimulates eggs to grow in the ovaries, which increases the production of estrogen

A

Follicle Stimulating Hormone

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12
Q

Rising estrogen levels signal the body to produce a surge of LH, leading to ovulation and potentially pregnancy

A

FSH

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13
Q

Hormone made by the pituitary gland and works in cencert with FSH to orchestrate your menstrual cycle

A

Luteinizing Hormone

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14
Q

Levels rise just before ovulation

A

Luteinizing Hormone

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15
Q

If the sperm and egg come together, the corpus luteum lives on, producing the right hormone, including progesterone, to ripen the uterus and nourish the growing baby

A

Luteinizing Hormone

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16
Q

Menstrual cycle starts at..

A

Puberty

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17
Q

Explains what happens in the ovary with the development of the ova

A

Ovarian Cycle

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18
Q

it occurs concurrently with the ovarian cycle

A

Uterine Cycle

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19
Q

Shows how the endometrium changes thickness

A

Uterine Cycle

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20
Q

Menstruation to ovulation

A

Follicular Phase

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21
Q

Phase that lasts days 1-14

A

Follicular Phase

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22
Q

What other components that is include in the Follicular Phase

A

PGAGS- Primordial Follicles, Granulosa, Antrum, Graafian Follicle, Secondary Oocyte

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23
Q

Ovulation before menstruation

A

Luteal Phase

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24
Q

Phase that lasts day 14-28

A

Luteal Phase

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25
Q

What other components that includes in the Luteal Phase?

A

TCCC- The Graafian Follicle ruptures, Corpus Luteum, Corpus Luteum Degeneration, Corpus Albicans1

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26
Q

it contains developing ovums

A

Follicles

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27
Q

(T/F) The follicular cells of these primordial follicles begin to develop around the oocyte and differentiate into these cells

A

True

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28
Q

Inside this is a developing ovum is called..

A

Primary Oocyte

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29
Q

Are located outside the premordial follicles, surrounding the primary oocyte

A

Follicular cells

30
Q

the follicular cells will then differentiate to become the ____

A

Granulosa Cells

31
Q

The primordial follicle is now considered a ____

A

Primary Follicle

32
Q

During this stage, the granulosa cells will secrete the Zona Pellucida

A

Preantral

33
Q

It will differentiate into what you call as theca cells

A

Zona Pellucida

34
Q

Some cells do not develop beyond this stage

A

Preantral

35
Q

It is the formed the fluid filled cavity as some of the follicles continue to grow

A

Antrum

36
Q

When the follicle is either preantral or early antral, one follicle is selected to develop to ____ to become a _______

A

Maturity; Dominant Follicle

37
Q

The antrum grows and some granulosa cells form this layer and others

A

Late Antral Follicle

38
Q

The granulosa cells will form the Corona Radiata

A

Late Antrum Follicle

39
Q

This is formed after the corona radiata and Cumulus Oophorus is formed

A

Graafian Follicle

40
Q

The oocyte is floating freely in the antrum

A

Secondary Oocyte

41
Q

When the graafian follicle ruptures, what happens next?

A

secondary oocyte enter the uterine tube

42
Q

The term for the transformation of the ruptured follicle

A

Corpus Luteum

43
Q

yellow hormone-secreting body

A

Corpus Luteum

44
Q

will secrete estrogen and progesterone

A

Corpus Luteum

45
Q

if the oocyte is not fertilized. the corpus luteum will degenerate and will become the ______

A

Corus Albicans

46
Q

refers to the degeneration of the corpus luteum into a scar tissue

A

Corpus Albicans

47
Q

degeneration of the corpus luteum will cause a decrease levels of estrogen and progesterone

A

Corpus Albicans

48
Q

How many days does menstrual phase occur?

A

days 1-5

49
Q

it occurs when estrogen and progesterone levels decline due to corpus luteum degeneration (because no fertilization happened)

A

menstrual phase

50
Q

corresponds to the period of menstruation

A

menstrual phase

51
Q

decreased blood in underlying endometrial tissue causes tissue to die and slough into the vagina

A

Mernstruation

52
Q

it happens when there is less blood in the endometrium causing tissue death which will slough into the vagina

A

Menstrual Flow

53
Q

In proliferative phase, there will be increase in Estrogen levels causing:

A

Endometrial: lining develops, layer grows, glands enlarge

54
Q

In this phase, the uterus is preparing for the fertilized ovum

A

Proliferative Phase

55
Q

what happens when the endometrium prepares for the implantation?

A

increasing blood supply, enlarged glands that secrete glycogen rich fluid, cervical secretions that form a plug (due to progesterone levels increasing)

56
Q

This phase is where the endometrium prepares for the implantation

A

Secretory Phase

57
Q

it usually takes place in the uterine tube

A

Fertilization

58
Q

the tail/flagellum of the sperm moves faster, causing the plasma membrane to alter

A

Capacitation

59
Q

Secondary oocyte is viable for ___

A

12-24 rhs

60
Q

the term for the fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm)

A

Zygote

61
Q

it starts when the sperm fertilizes the secondary oocyte

A

Meiosis II

62
Q

Where does Meiosis II happens

A

After fertilization

63
Q

The daughter cells generated by these divisions are termed

A

Blastomeres

64
Q

During early cleavage, the cell number doubles with each division and since the zygote is still contained within the zona pellucida, successive generations of blastomeres become progressively smaller or ____

A

compact

65
Q

morula divides into 2 forming into 2 separate blastocyst

A

monozygotic / identical twins

66
Q

2 separate secondary oocytes fertilized by 2 separate sperms forming 2 different zygotes and 2 different blastocyst

A

Dizygotic / Fraternal Twins

67
Q

allows for the exchange of gases and nutrients between the fetus and the mother

A

Placenta

68
Q

circulation of fetus and mother

A

placenta

69
Q

its development starts at implantation as blastocyst adheres to the endometrium epithelium

A

placenta development

70
Q

Cytotrophoblast is located in the ____, Syncytiotrophoblast is located at the ______

A

inner, outer