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Medsci142 Term 2 > Lab 4: Repro > Flashcards

Lab 4: Repro Flashcards

1
Q

What joins to the prostate?

A

Ejaculatory duct (from the seminal vesicle)

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2
Q

What leads to the testis?

A

Ductus deferens

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3
Q

Middle part of uterine tube?

A

Isthmus

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4
Q

End part of uterine tube?

A

Ampulla

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5
Q

End of uterine tube?

A

Fimbriae (infundibulum)

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6
Q

Is labia major or minor more ventral?

A

Major

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7
Q

What’s located in the interstitial space in a testis?

A

Blood vessels

Leydig cells

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8
Q

Separates things in the seminiferous tubules?

A

Basement membrane

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9
Q

Lines the basement membrane?

A

Spermatogenia

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10
Q

Order of sperm from basement membrane to lumen of seminiferous tubules?

A

Spermatogenia
Spermocytes
Spermatatids
Spermatozoon

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11
Q

Where are Sertoli cells?

A

In the seminiferous tubules (supports growth)

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12
Q

When is ovulation?

A

When LH peaks

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13
Q

Where is FSH and LH produced?

A

Anterior pituitary

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14
Q

Where is estrogen and progesterone produced?

A

Ovaries

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15
Q

How does ovulation occur?

A

FSH stimulates primary follicles, which secrete oestrogen, which feeds back to LH (releasing it) which causes the maturation of the tertiary follicle (hence ovulation)

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16
Q

What peaks before LH?

A

Oestrogen

17
Q

What does rising progesterone levels after ovulation do?

A

Maintains corpus luteum and endometrium lining

18
Q

If fertilisation and implantation doesn’t occur, what hormone levels fall?

A

Estrogen and progesterone

19
Q

Upon fertilisation, to prevent the loss of endometrial lining, what does the developing offspring secrete and what does it do?

A

Secretes hCG (mimics LH) which prevents the corpus luteum from disintegrating, and stimulates the secretion of estrogen and progesterone

20
Q

What do increasing levels of oestrogen and progesterone that don’t drop off indicate?

A

Pregnancy

21
Q

What do decreased levels of all hormones indicate?

A

Menopause, pre-puberty, female athlete triad, anorexia

22
Q

What’s specific to a primordial follicle?

A

Squamous flat cells (follicular cells)

No zone pellucida

23
Q

What’s specific to a primary follicle?

A

Zona pellucida

Cuboidal granulosa cells

24
Q

What’s specific to a secondary follicle?

A

Antrim/Antral cavity with follicular fluid

Corona radiata occurs

25
Q

What’s specific to a graafian/mature/pre-ovulatory follicle?

A

Cumulus oophorus

26
Q

Barrier contraception?

A 
Condom
Ortho diaphragm (seals cervix)
27
Q

Surgical contraception?

A

Vasectomy

Tubal ligation

28
Q

Hormonal contraception?

A

Oral contraceptive pill

29
Q

Hormonal and chemical contraception?

A

IUD (intrauterine tube)

30
Q

What do oral contraceptives with progestin and estrogen inhibit?

A

Ovulation by suppressing FSH and LH

Medsci142 Term 2 (20 decks)

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