| promegaloblast |
the earliest developmental form in the abnormal red cell maturation sequence occurring in vitamin B12 and folic acid deficiencies; it corresponds to the pronormoblast, but differs from it by its larger size, abundant basophilic cytoplasm, and reticulated, unclumped nuclear chromatin. Several nucleoli are usually present.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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