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Physiology Il > Female Reproductive System > Flashcards

Female Reproductive System Flashcards

1
Q

What is the sex cycles in female ?

A
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2
Q

What is menarche ?

A

The first menstrual period

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3
Q

What is thelarche ?

A

The first event at puberty

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4
Q

What is pubarche ?

A

Development of axillary and pubic hair

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5
Q

What is the order of sex cycle in females ?

A

Thelarche, pubarche, menarche

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6
Q

What are the phases of the ovarian cycle ?

A

Proliferative phase, ovulation and luteal phase

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7
Q

What hormone is required for proliferative phase ?

A

Estrogen

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8
Q

What does LH produce ?

A

Estrogen

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9
Q

What is the LH surge responsible for ?

A

Ovulation

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10
Q

What is the function of FSH ?

A

Help in development of ova

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11
Q

What helps in development of ovary ?

A

Estrogen

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12
Q

When is the maximal peak of estrogen ?

A

Just before ovulation

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13
Q

What is the action of estrogen on the primary sex organs ?

A
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14
Q

What is the action of estrogen on the secondary sex organ the uterus ?

A

Produce the proliferative phase of the menstrual cycle

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15
Q

What is the action of estrogen on the secondary sex organ the uterine (fallopian) tubes?

A

Estrogen increases their motility

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16
Q

What is the action of estrogen on the secondary sex organ the uterine cervix ?

A

Estrogens make the cervical mucus thin and alkaline

17
Q

What is the action of estrogen on the secondary sex organ the vagina?

A

Estrogen causes cornification of the vaginal epithelium and increase the acidity of vaginal secretions

18
Q

What does estrogen also regulate ?

A

Many other hormones

19
Q

When does progesterone increase ?

A

In second half of the menstrual cycle

20
Q

From where is progesterone secreted ?

A

The ovaries mainly by the corpus luteum
The placenta - during pregnancy

21
Q

What is progesterone often called?

A

Hormone of pregnancy

22
Q

What is the action of progesterone on the uterus ?

A

Progesterone increases during secretory phase
It decreases the excitability of the myometrium and its sensitivity to oxytocin thus promoting uterine relaxation which is essential for pregnancy maintenance

23
Q

What is the action of progesterone on the anterior pituitary gland and hypothalamus ?

A

Progesterone inhibits LH secretion by a negative feedback mechanism so it can prevent ovulation and produce contraception

24
Q

What is the action of progesterone on the body ?

A

It is thermogenic so causes rise of the body temperature at the time of ovulation

25
Q

When is oxytocin present ?

A

At the end of pregnancy

Physiology Il (47 decks)

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