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The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates. The process whereby a relatively unspecialized hemopoietic precursor cell acquires the specialized features of a plasmacytoid dendritic cell or any cell of the myeloid leukocyte or lymphocyte lineages. A second wave of blood cell production that, in vertebrates, generates long-term hemopoietic stem cells that continously provide erythroid, myeloid and lymphoid lineages throughout adulthood. Development of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions. The process whereby a relatively unspecialized cell acquires the characteristics of a mature hemocyte. Hemocytes are blood cells associated with a hemocoel (the cavity containing most of the major organs of the arthropod body) which are involved in defense and clotting of hemolymph, but not involved in transport of oxygen. The process whereby a relatively unspecialized cell acquires specialized features of a hemopoietic stem cell. A stem cell is a cell that retains the ability to divide and proliferate throughout life to provide progenitor cells that can differentiate into specialized cells. The process whose specific outcome is the progression of any organ involved in hemopoiesis or lymphoid cell activation over time, from its formation to the mature structure. Such development includes differentiation of resident cell types (stromal cells) and of migratory cell types dependent on the unique microenvironment afforded by the organ for their proper differentiation. The expansion of a hemopoietic stem cell population by cell division. A hemopoietic stem cell is a stem cell from which all cells of the lymphoid and myeloid lineages develop. The multiplication or reproduction of hemocytes, resulting in the expansion of the cell population. Hemocytes are blood cells associated with a hemocoel (the cavity containing most of the major organs of the arthropod body) which are involved in defense and clotting of hemolymph, but not involved in transport of oxygen. The process whereby precursor cell type acquires the specialized features of a hemopoietic progenitor cell, a class of cell types including myeloid progenitor cells and lymphoid progenitor cells. The process whereby a relatively unspecialized myeloid precursor cell acquires the specialized features of any cell of the myeloid leukocyte, megakaryocyte, thrombocyte, or erythrocyte lineages. The stages of blood cell formation that take place after completion of embryonic development. The process whose specific outcome is the progression of an organismal system whose objective is to provide calibrated responses by an organism to a potential internal or invasive threat, over time, from its formation to the mature structure. A system is a regularly interacting or interdependent group of organs or tissues that work together to carry out a given biological process. The stages of blood cell formation that take place within the embryo.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: hemopoiesis
Acc: GO:0030097
Aspect: Biological Process
Desc: The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.
Synonyms:
  • hematopoiesis
  • blood cell formation
  • haemopoiesis
  • blood cell biosynthesis
Proteins in PDR annotated with:
   This term: 182 [Search]
   Term or descendants: 785 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0030097 - hemopoiesis (interactive image map)
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