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28 Cards in this Set
- Front
- Back
what percent of congenital anomalies are major?
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95%
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define deformation
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abnormalities of shape and structures whose inital differentiation and development were normal
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what might cause deformtion
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uterine constraint
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do deformations have a low or high recurrence rate
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very low
prognosis is excellent |
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define disruption
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secondary changes arising in early fetal life typicaly involving tissue destruction and resulting in marketdly anomalous development of that were initially normal tissues or organs
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when do disruptions occur?
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early fetal life
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will disruptions resolve without intervention
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no!
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is recurrence risk of disruption high or low
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low
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def. inherent abnormality of single tissue
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dysplasia
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def. primary abnomality of differentiation originating in the embryonic period
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malformation
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is recurrence risk of malformation high or low
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high! well higher
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what is smith lemli opitz sydrom
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defect in cholesterol metabolism
microcephaly, facial characteristics, polydactyly ambiguous genitalia |
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what is another name for achondroplasia
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skeletal dysplasia
disorder of bone growth |
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def. group of pathologically related anomalies that occur together more often than expected by chance
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syndrome
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def a constellation of anomalies derived from one primary anomaly
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sequence
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def. anomalies that occur together with unknown relationship
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association
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defect caused by intrinsically abnormal morphological development
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malformation
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defect of structure or position resulting rom action of abnormal extrinsic mechanical forces on intrinsically normal development
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deformation
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extrinsic breakdown of or interference with originally normal development
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disruption
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amniotic bands are an example of
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disruption
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abnormal organization of cells or tissues
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dysplasia
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any abnormal characteristic
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anomaly
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abnormally formed
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dymsophic
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present at birth but not genetic
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congenital
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nonrandom occurrences of multiple anomalies not explained by chance but wihtout a single, consistent, underlying cause that has been IDed
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association
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VACTERL is an example of what
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association
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one malformation that often leads to a cascade consequences that may at first seem like one malformation rather than just once
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sequence
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Robin and potter are examples of ____
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sequence
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