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14 Cards in this Set
- Front
- Back
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Embryology
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the formation of basic structures of the body; literally second through eighth week
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Development
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maturation using basic plan established during embryogenesis; includes prenatal and postnatal periods
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Tetratology
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study of causes of malformations (birth defects), the anomalies present at birth
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Descriptive embryology
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a. when a particular process is carried out
b. earliesr branch of field |
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Experimental embryology
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a. why a process occurs at a particular time and in a particular manner
b. uses other systems as model(mouse and chick) |
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Gametogenesis
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production of the two cells required for generation of a new individual
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Meiosis
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purpose is to reduce chromosome number by half
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Primary germ cells
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(1° spermatocyte and 1° oocyte) divide by meiosis
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in males, 1° spermatocyte produces
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4 gametes
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In females, 1° oocyte produces
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1 gamete
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Spermatogenesis/ spermiogenesis
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process of production of male gamete and modifying it to perform reproductive function
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Both oogenesis and spermatogenesis
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a. produce haploid gametes
b. produce mature gametes beginning at puberty |
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Spermiogenesis
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converts spermatids to spermatozoan
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Oogenesis
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formation of the female gamete
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