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Flashcards in Chapter 22 Deck (15):
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Amniotic Sac

Thin, Liquid– Filled, Protech do membrane that forms around the embryo.

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Embryo

Fertilized egg that has attached to the wall of the uterus.

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Fetal stress

Can occur during the birth process or after birth as an infant adjust from a watery, dark, consistent – temperature environment to its new environment.

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Fetus

In humans, a developing baby after the first two months of pregnancy until birth.

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Hormone

In humans, chemically produced by the endocrine system, released directly into the bloodstream by ductless glands; affects specific target tissues, and can speed up or slow down cellular activity.

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Menstrual cycle

Hormone – controlled monthly cycle of changes in the female reproductive system that includes the maturation of an egg and preparation of the uterus for possible pregnancy.

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Menstruation

Monthly flow of blood and tissue cells that occur when the lining of the uterus breaks down and is shed.

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Ovary

In plants, swollen base of an angiosperm's pistil, where egg – producing ovules are found; in humans, Female reproductive organ that produces eggs and is located in the lower part of the body.

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Ovulation

Monthly process in which an egg is released from an ovary and enters the oviduct, where it can become fertilized by sperm

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Pregnancy

Period of development – usually about 38 or 39 weeks in female humans – from fertilized egg until birth.

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Semen

Mixture of sperm and a fluid that helps move and supplies them with an energy source.

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Sperm

Haploid sex cell formed in the male reproductive organs; in humans, male reproductive organs produced in the testes.

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Testis

Male organ that reproduces sperm and testosterone.

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Uterus

In female humans, hollow, muscular, pear shaped organ where fertilized egg develops into a baby.

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Vagina

Muscular tube that connects the lower end of a female's uterus to the outside of the body; the birth canal through which a baby travels when being born.