trisomy 21

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noun tri·so·my 21 \ˈtrī-ˌsō-mē-ˌtwen-tē-ˈwən\

Definition of trisomy 21

Origin and Etymology of trisomy 21

from the occurrence of trisomy in chromosome 21 of persons with Down syndrome


First Known Use: 1961


Medical Dictionary

trisomy 21

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noun tri·so·my 21 \-ˌtwent-ē-ˈwən\

Medical Definition of trisomy 21


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