BY5: Human Reproduction - Key Words & Definitions

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Ova
The mature female reproductive cell.
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Ovaries
The female reproductive organ in females in which ova (eggs) are produced.
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Embryo
An animal organism in the early stages of growth and differentiation.
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Gamete
A male of female mature germ cell which when meeting with each other form a zygote.
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Spermatogenesis
The production and subsequent development of mature spermatozoa.
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Oogenesis
The production and subsequent development of an ovum.
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diploid
Having two sets of chromosomes, one maternal and one paternal.
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haploid
Having a single set of chromosomes.
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spermatocyte
The cell formed from spermatogonium in the second stage of spermatozoa formation. Spermatocytes later divide into spermatids through meiosis.
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oocyte
The name given to the immature female reproductive cell before it is fertilised.
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acrosome
The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cells) it contains enzymes which break down the outer membrane of the ovum.
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blastocyst
A hollow structure in early embryonic development that contains a cluster of cells which give rise to the embryo.
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trophoblasts
Cells forming the outer layer of a blastocyst which provide nutrients to the developing embryo and eventually form the placenta.
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ammnion
A membrane that surrounds and protects an embryo.
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chorion
The outermost membrane surrounding an embryo.
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hCG
Abbreviation for human chorionic gonadotropin. hCG is a hormone produced in pregnancy which acts to maintain the corpus luteum.
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corpus luteum
Literally ‘yellow body’ the corpus luteum develops from the ovarian follicle and produces progesterone. This is the hormone which thickens the uterus lining for implantation.
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monoclonal antibodies
Highly specific antibodies which are clones of a single parent cell.
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Other cards in this set

Card 2

Front

The female reproductive organ in females in which ova (eggs) are produced.

Back

Ovaries

Card 3

Front

An animal organism in the early stages of growth and differentiation.

Back

Preview of the back of card 3

Card 4

Front

A male of female mature germ cell which when meeting with each other form a zygote.

Back

Preview of the back of card 4

Card 5

Front

The production and subsequent development of mature spermatozoa.

Back

Preview of the back of card 5
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