Human Reproduction Flashcards

0
Q

Genitals

A

Reproductive organs

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1
Q

Organs of gamete production

A

Gonads Testes in males Ovaries in females

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2
Q

Parts of the male reproductive system

A

Two testes Ducts that carry sperm Accessory glands to make semen The penis

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3
Q

Ducts that carry sperm in the male

A

Epididymis Vas deferens (sperm duct) Ejaculatory duct Urethra

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4
Q

Accessory glands that help make semen

A

Seminal vesicles Cowper’s/bulbourethral glands Prostate gland

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5
Q

External genitals in males

A

Scrotum Penis

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6
Q

Internal structure of the penis

A

Three columns of cavernous tissue -side columns are the corpora cavernosa -column on middle underside is corpus spongiosum Bound together by fibrous connective tissue Blood vessels and some skeletal muscle Covered with skin Urethra runs through corpus spongiosum

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7
Q

Function of the scrotum

A

A sac of skin holding the testes outside the body 1-2°C below abdominal temperature optimum for sperm production

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8
Q

Functions of the testes

A

Produce sperm cells (male gametes) Produce testosterone

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9
Q

Control of testes function

A

Lutenising hormone (LH) - testosterone production Follicle stimulating hormone (FSH) - sperm production Both produced by pituitary

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10
Q

Structure of a testis

A

-Highly coiled tubes called seminiferous tubules -Germinal epithelium of tubes gives rise to sperm cells by spermatogenesis -Sertoli cells provide nutrients for developing sperm -Interstitial cells (Leydig cells) between tubules produce testosterone

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11
Q

Forceful emission of sperm from the penis

A

Ejaculation

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12
Q

Parts of the female reproductive system

A

Ovaries Fallopian tubes Uterus and cervix Vagina Vulva Mammary glands

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13
Q

Parts of the ovaries

A

A vascular medulla Blood vessels enter the hilum of ovary Ovarian follicles at various stages of development moving towards the surface: -primary follicles -secondary follicles -Graafian follicles -corpus luteum -corpus lutea

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