Introduction to Life Flashcards

(70 cards)

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
What other components that includes in the Luteal Phase?
TCCC- The Graafian Follicle ruptures, Corpus Luteum, Corpus Luteum Degeneration, Corpus Albicans1
26
it contains developing ovums
Follicles
27
(T/F) The follicular cells of these primordial follicles begin to develop around the oocyte and differentiate into these cells
True
28
Inside this is a developing ovum is called..
Primary Oocyte
29
Are located outside the premordial follicles, surrounding the primary oocyte
Follicular cells
30
the follicular cells will then differentiate to become the ____
Granulosa Cells
31
The primordial follicle is now considered a ____
Primary Follicle
32
During this stage, the granulosa cells will secrete the Zona Pellucida
Preantral
33
It will differentiate into what you call as theca cells
Zona Pellucida
34
Some cells do not develop beyond this stage
Preantral
35
It is the formed the fluid filled cavity as some of the follicles continue to grow
Antrum
36
When the follicle is either preantral or early antral, one follicle is selected to develop to ____ to become a _______
Maturity; Dominant Follicle
37
The antrum grows and some granulosa cells form this layer and others
Late Antral Follicle
38
The granulosa cells will form the Corona Radiata
Late Antrum Follicle
39
This is formed after the corona radiata and Cumulus Oophorus is formed
Graafian Follicle
40
The oocyte is floating freely in the antrum
Secondary Oocyte
41
When the graafian follicle ruptures, what happens next?
secondary oocyte enter the uterine tube
42
The term for the transformation of the ruptured follicle
Corpus Luteum
43
yellow hormone-secreting body
Corpus Luteum
44
will secrete estrogen and progesterone
Corpus Luteum
45
if the oocyte is not fertilized. the corpus luteum will degenerate and will become the ______
Corus Albicans
46
refers to the degeneration of the corpus luteum into a scar tissue
Corpus Albicans
47
degeneration of the corpus luteum will cause a decrease levels of estrogen and progesterone
Corpus Albicans
48
How many days does menstrual phase occur?
days 1-5
49
it occurs when estrogen and progesterone levels decline due to corpus luteum degeneration (because no fertilization happened)
menstrual phase
50
corresponds to the period of menstruation
menstrual phase
51
decreased blood in underlying endometrial tissue causes tissue to die and slough into the vagina
Mernstruation
52
it happens when there is less blood in the endometrium causing tissue death which will slough into the vagina
Menstrual Flow
53
In proliferative phase, there will be increase in Estrogen levels causing:
Endometrial: lining develops, layer grows, glands enlarge
54
In this phase, the uterus is preparing for the fertilized ovum
Proliferative Phase
55
what happens when the endometrium prepares for the implantation?
increasing blood supply, enlarged glands that secrete glycogen rich fluid, cervical secretions that form a plug (due to progesterone levels increasing)
56
This phase is where the endometrium prepares for the implantation
Secretory Phase
57
it usually takes place in the uterine tube
Fertilization
58
the tail/flagellum of the sperm moves faster, causing the plasma membrane to alter
Capacitation
59
Secondary oocyte is viable for ___
12-24 rhs
60
the term for the fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm)
Zygote
61
it starts when the sperm fertilizes the secondary oocyte
Meiosis II
62
Where does Meiosis II happens
After fertilization
63
The daughter cells generated by these divisions are termed
Blastomeres
64
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 ____
compact
65
morula divides into 2 forming into 2 separate blastocyst
monozygotic / identical twins
66
2 separate secondary oocytes fertilized by 2 separate sperms forming 2 different zygotes and 2 different blastocyst
Dizygotic / Fraternal Twins
67
allows for the exchange of gases and nutrients between the fetus and the mother
Placenta
68
circulation of fetus and mother
placenta
69
its development starts at implantation as blastocyst adheres to the endometrium epithelium
placenta development
70
Cytotrophoblast is located in the ____, Syncytiotrophoblast is located at the ______
inner, outer