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Organ in males that produces sperm and testosterone
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Testis |
The gamete or reproductive cell of the male parent, produced by the testes
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Sperm |
The mixture of sperm and fluid that nourishes the sperm and helps it moves
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Semen |
In angiosperms, the swollen base of the pistil, where ovules form
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Ovary |
In human females, the monthly process of egg release from an ovary
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Ovulation |
In females, the pear-shaped, hollow, muscular organ in which a fertilized egg develops into a baby
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Uterus |
In females, the passageway that leads from the uterus to outside of the female's body
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Vagina
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In females, the hormonally regulated cycle of an egg production and menstruation
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Menstrual cycle
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In females, the monthly shedding of the lining of the uterus that takes place if fertilization has not occurred
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Menstruation
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In older females, the period of years when the menstrual cycle becomes irregular and eventually stops
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Menopause
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The period of time between fertilization and birth
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Pregnancy
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A fertilized egg during early growth
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Embryo
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A thin membrane that forms around an embryo
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Amniotic sac
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A developing embryo
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Fetus
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The stage of human development from four weeks after birth to four years
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Infancy
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