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Bio > Human Reproduction > Flashcards

Human Reproduction Flashcards

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Biology 101 flashcards
1
Q

Scrotum temp

A

2-2.5 less

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2
Q

Dimensions of testis

A

4-5 cm in length
2-3 cm in width

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3
Q

No of testicular lobule

A

250

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4
Q

No Of seminiferous tubules

A

1-3

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5
Q

Male accessory ducts

A

Rete testis, vasa efferentia, epididymis, vas deference

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6
Q

Duct that joins the epididymis from seminal vesicles

A

Ejaculatory duct

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7
Q

Enlarged end of penis

A

Gland penis
Fire skin

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8
Q

Accessory duct in female

A

Oviducts, uterus, cervix, vagina

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9
Q

Oviduct length

A

10-12cm

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10
Q

Part closer to the ovary

A

Infundibulam fimbria

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11
Q

Near to the uterus

A

Isthmus

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12
Q

Cervical canal + vagina

A

Birth canal

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13
Q

Cushion of fat tissues covered with skin

A

Mona pubis

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14
Q

No of mammary lobes

A

15-20

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15
Q

Inner glandular layer of uterus

A

Endometrium

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16
Q

Muscular layer of uterus

A

Myometrium

17
Q

stages of male gamete

A

spermatogonia - primary spermatocytes- secondary spermatocyte - spermatid- spermatozoa - sperms

18
Q

spermatogenesis

A

formation of sperms

19
Q

spermiation

A

withdrawal of the sperms from the Sertoli cells

20
Q

LH acts on which cells and controls

A

Leydig cells and spermatogenesis

21
Q

FSH acts on whcih cell and controls

A

Sertoli cells and spermiation

22
Q

cap like structure of sperms

A

acrosomes

23
Q

the middle piece of sperm contains

A

mitochondria

24
Q

human male ejaculates how many sperms at once

A

200 million

25
Q

criteria for sperm activity

A

60% normal shape and 40% motility

26
Q

once the oogaonia enters the 1st meiotic division it gets arrested at

A

prophase 1 and is called the primary oocyte

27
Q

receptors present on the sperms

A

fertilizin

28
Q

cells surrounding the oocytes

A

granulosa cells

29
Q

secondary follicles charaters

A

new theca and more granulosa cells

30
Q

fluid filled sac of teritary follicle

A

antrum

Bio (12 decks)

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