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10 Cards in this Set
- Front
- Back
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agenesis
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complete absence of an organ
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aplasia
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absence of an organ coupled with persistence of the organ analogue or rudiment that never developed
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hypoplasia
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reduced size of an organ
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dystrophic anomalies
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defects caused by failure of apposed structures to fuse
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involution failures
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persistance of embryonic structures that should have involuted
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division failures
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caused by incomplete cleavage of embryonic tissues
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atresia
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refers to defects caused by incomplete formation or lumen
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dyplasia
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caused by abnormal organization of cells into tissues; abnormal histogenesis
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ectopia/heteropia
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organ is outside its normal anatomic site
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dystopia
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retention of an organ at a site where it is located during development
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