Reproduction Flashcards

(35 cards)

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?

17
Q

What do theca cells produce?

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?

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
What is first, second and third mitotic division called?
Day 2- cleavage Day 3- second Day 4- compaction
26
What does compaction form?
Morula
27
How many cells in morula?
16
28
What comes first morula or blastocyst?
Morula- 16 Blastocyst
29
What is structure blastocyst?
Outer trophoblast Blastocyst cavity
30
Label What is it
Blastocyst
31
Function zona pellucida?
Responsible for species-restricted binding of sperm to unfertilized eggs Preventing sperm from binding to fertilized eggs
32
Name 2 types contraception?
Combined oral contraceptive pill Progesterone only pill
33
How does combined oral contraceptive pill work?
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
How does progesterone only pill work?
Thicken mucous continuously Take continuous 28 days Inhibit ovulation Varying degrees follicular development dependent dosage
35
What does implantable rod or IUD do?
Release progesterone steady rate