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10 Cards in this Set

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