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ILA > Reproduction > Flashcards

Reproduction Flashcards

1
Q

What are 2 ducts appear?

A

Mullerian and Wolffian

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2
Q

What causes female development?

A

Absence SRY gene- female

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3
Q

What would occur if SRY gene:
Present
Not present

A

Present- male
Not present- female

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4
Q

Which duct male?

A

Wolffian

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5
Q

Which duct female?

A

Mullerian

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6
Q

What forms broad ligament?

A

Mullerian ligament

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7
Q

What stimulates development of external genitalia?

A

Oestrogen

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8
Q

What does:
Genital tubercle
Urethral folds
Genital swellings
form?

A

Genital tubercle- clitoris
Urethral folds- labia minora
Genital swellings- labia majora

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9
Q

What forms:
Clitoris
Labia minora
Labia majora

A

Genital tubercle- clitoris
Urethral folds- labia minora
Genital swellings- labia majora

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10
Q
A
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11
Q
A
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12
Q

Function GnRH?
Where released?

A

Posterior pituitary
Induce secretion FSH and LH from anterior pituitary

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13
Q

Function FSH? (3)

A

Stimulate development follicles
Increase oestrogen secretion
Increase inhibin secretion from granulosa cells

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14
Q

What synthesises LH and FSH?

A

Anterior pituitary gonadotrophs

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15
Q

Function LH?

A

Stimulate theca cells produce androgens- converted oestrogen by granulosa- thicken endometrium
Stimulate ovulation
Conversion Graafian follicle into coprus luteum- produces progesterone

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16
Q

What stimulates ovulation?

A

Surge LH

17
Q

What do theca cells produce?

A

Androgens

18
Q

What does Graafian follicle turn into?

A

Corpus luteum

19
Q

Define proliferative phase?

A

6-14
Growth ovarian follicle

20
Q

Define luteal phase?

A

16-28
Endometrium thickens

21
Q

When is ovulation?

A

Day 14
Lack progesterone
Shet endometrium

22
Q

State diff phases?

A

Proliferative-6-14- growth ovarian follicles
Ovulation- 14
Luteal- 16-28- endometrium thickens
Day 28/1- endometrium discarded

23
Q

Is mucus acid or alkaline?

A

Alkaline

24
Q

Explain process fertilisation?

A

0- Fertilisation- sperm and egg fuse and form zygote
1- zygote start travel fallopian tube
2- cleavage- first mitotic division
3- second mitotic division
4- compaction- third mitotic division- 16 cell morula
5-6- Morula differentiate to blastocyst
Blastocyst- outer trophoblast, blastocyst cavity
5-6- Zona pellucida thins and cavity expands
7- hatching- blastocyst implants into endometrium

25
Q

What is first, second and third mitotic division called?

A

Day 2- cleavage
Day 3- second
Day 4- compaction

26
Q

What does compaction form?

A

Morula

27
Q

How many cells in morula?

A

16

28
Q

What comes first morula or blastocyst?

A

Morula- 16
Blastocyst

29
Q

What is structure blastocyst?

A

Outer trophoblast
Blastocyst cavity

30
Q

Label
What is it

A

Blastocyst

31
Q

Function zona pellucida?

A

Responsible for species-restricted binding of sperm to unfertilized eggs
Preventing sperm from binding to fertilized eggs

32
Q

Name 2 types contraception?

A

Combined oral contraceptive pill
Progesterone only pill

33
Q

How does combined oral contraceptive pill work?

A

Surpress FSH and LH
Low FSH- inhibit follicular development- prevent increase oestrogen
Progesterone causes cervical mucous thicken
No implantation
Decreased production glycogen blastocyst survive

34
Q

How does progesterone only pill work?

A

Thicken mucous continuously
Take continuous 28 days
Inhibit ovulation
Varying degrees follicular development dependent dosage

35
Q

What does implantable rod or IUD do?

A

Release progesterone steady rate

ILA (12 decks)

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