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13 Cards in this Set
- Front
- Back
Cephalocaudal law of development
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the direction of development that occurs from the top down to the bottom of the body
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Proximodistal law of development
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the pattern of development that occurs from the center of the body and extends to the body's extremities
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Conception
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the moment when the male and the female gametes (sperm and ovum) meet and combine genetic information
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DNA
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a complex acid that contains all of the genetic instructions for the development of the individual, organised into chromosomes within cells
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Germinal stage
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the first stage of prenatal development measured from implantation (about two weeks post-conception)
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Embryonic stage
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the second stage of prenatal development measured from implantation until the eight week after conception
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Foetal stage
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the third stage of prenatal development measured from the end of week eight until birth
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Zygote
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the name given to the new cell following fertiliastion
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Morula
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the name given to the group of 16-20 cells about 4 days after conception
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Differentiation
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during the germinal stage, the process in which cells take on individual functions
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Blastocyst
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the name given to the group of human cells following differentiation approximately six days after conception
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Placenta
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a vital organ that supplies oxygen and nutrients to the developing embryo and removes waste products; it is formed from a layer of the developing embryo and links it to the circulatory system of the mother until birth
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Socialisation
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the process of acquiring values, attitudes and behaviours through interacting with others
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