External genitalia (redirected from sex organ)

genitalia /gen·i·ta·lia/ (jen″ĭ-tāl´e-ah) [L.] the reproductive organs.

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ambiguous genitalia  genital organs with characteristics typical of both male and female, as seen in hermaphroditism and some types of pseudohermaphroditism.

external genitalia  the reproductive organs external to the body, including pudendum, clitoris, and female urethra in the female, and scrotum, penis, and male urethra in the male.

indifferent genitalia  the reproductive organs of the embryo prior to the establishment of definitive sex.

internal genitalia  the reproductive organs within the body, including ovaries, uterine tubes, uterus, and vagina in the female, and testes, epididymides, ductus deferentes, seminal vesicles, ejaculatory ducts, prostate, and bulbourethral glands in the male.

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external genitalia

n.

1. The vulva of the female.

2. The penis and scrotum of the male.

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genitalia

see genital system.

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external genitalia

vulva of the female, testes, penis of the male.

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secondary sex characteristic

Endocrinology The constellation of changes in hair distribution, body configuration, and genital size in boys or girls at the time of puberty

Secondary Sex characteristic–♂

External genitalia Penis ↑ in length/diameter; scrotum becomes pigmented and rugose

Internal genitalia Prostate, bulbourethral glands, and seminal vesicle enlarge, begin to secrete

Body Shoulders broaden, muscle mass ↑

Hair Hair, hair, everywhere; beard, back, chest, anus

Mental More aggressive, sexual interest awakens

Skin Sebaceous glands ↑, 'Zit Follies' begin

Voice Larynx, vocal cords ↑ in size and/or length; voice deepens

Secondary Sex characteristic–♀

External genitalia ↑ Size breast, vagina

Internal genitalia ↑ Size uterus

Body Shoulders are narrow, hips broad, thighs converge and arms diverge–broad carrying angle

Hair More scalp hair, less body hair, ♀ escutcheon

Voice Nada; voice unchanged