Normoblast

From Wikipedia, the free encyclopedia
Jump to: navigation, search

An erythroblast is a type of red blood cell which still retains a cell nucleus. It is the immediate precursor of a normal erythrocyte.

Nomenclature[edit]

The term normoblast is sometimes used as a synonym for erythroblast, but at other times it is considered a subcategory. In the latter context, there are two types of erythroblasts:

Development[edit]

There are four stages in the development of a normoblast.

A comprehensive diagram of human hematopoiesis
Illustration Description Image
Proerythroblast.png Pronormoblast
Basophilic erythroblast.png Basophilic normoblast Prorubricyte.jpg
Polychromatic erythroblast.png Polychromatic normoblast (also polychromatophilic) Rubricyte.jpg
Orthochromatic erythroblast.png Orthochromatic normoblast (also orthochromatophilic) Metarubricyte.jpg

Additional images[edit]

See also[edit]

External links[edit]

- "Bone Marrow and Hemopoiesis  bone marrow smear, erythroblast series with proerythroblast "