undifferentiated /un·dif·fer·en·ti·at·ed/ (un-dif″er-en´she-āt-ed) anaplastic.
anaplastic [an″ah-plas´tik]
un·dif·fer·en·ti·at·ed ( n d f- -r n sh - td)adj. Having no special structure or function; primitive; embryonic. |
anaplastic [an″ah-plas´tik]
characterized by anaplasia.
undifferentiated
not differentiated; primitive.
1. in neoplasia refers to a primitive cell type and likely to be malignant.
2. In clinical medicine refers to a group diagnosis in which there is no differentiation from the pathoanatomical diagnosis, e.g. failure to take the additional step of differentiating between a diagnosis of diarrhea and the etiologically specific diagnosis, e.g. Escherichia coli. See also undifferentiated diarrhea of the newborn.
undifferentiated chronic diarrhea
chronic diarrhea in horses which does not satisfy the diagnostic criteria for any of the known causes of that condition; most cases are irreversible and euthanasia is a common outcome.
undifferentiated chronic pneumonia
see enzootic pneumonia.
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