Dictionary » H » Hemopoiesis




A biological process in which new blood cells are formed, and is usually taking place in the bone marrow.


All cellular components of the blood came from hematopoietic stem cells (HSCs) located in the marrow. The HSCs have the ability to give rise to all of the different mature blood cell types, such as erythrocytes, T cells, B cells, granulocytes, megakaryocytes, macrophages.

Word origin: from Ancient Greek: haima, blood + poiesis, to make.

Variant: haemopoiesis.
Related form: hemopoietic (adjective).

Synonym: hematopoiesis.
See also: granulopoiesis.

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muscles and bones

... Muscle tissue is elastic, flexiable and can contract and relax (get longer and shorter). Bones provide support and also protection and function in hemopoiesis as well as fat storage. Muscles can exert force by contracting and they also produce most of the heat that allows for the homeothermic condition. ...

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by Doc44
Mon May 15, 2006 12:10 am
Forum: Human Biology
Topic: muscles and bones
Replies: 3
Views: 2811

Erythrocytes, cell of not?

... biconcave shape include increased surface area for carrying oxygen in the bloodstream, can form stacks, and can bend and flex. In the beginning (hemopoiesis - erythropoiesis), a hemopoetic stem cell differentiates into a proerythroblast, and steps which follow are those in which the RBCs still ...

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by chemistry_freako
Tue Jul 12, 2005 3:12 pm
Forum: Cell Biology
Topic: Erythrocytes, cell of not?
Replies: 60
Views: 29850

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