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The haematopoietic system (spelled hematopoietic system in American English) is the system in the body involved in the creation of the cells of blood. [ 1 ] Structure
Diagram showing the development of different blood cells from haematopoietic stem cell to mature cells. Haematopoiesis (/ h ɪ ˌ m æ t ə p ɔɪ ˈ iː s ɪ s, ˌ h iː m ə t oʊ-, ˌ h ɛ m ə-/; [1] [2] from Ancient Greek αἷμα (haîma) 'blood' and ποιεῖν (poieîn) 'to make'; also hematopoiesis in American English, sometimes h(a)emopoiesis) is the formation of blood cellular ...
Myeloid neoplasms always concern bone marrow cell lineage and are related to hematopoietic cells. Myeloid tissue can also be present in the liver and spleen [5] in fetuses, and sometimes even in adults as well, which leads to extramedullary hematopoiesis.
A blood cell (also called a hematopoietic cell, hemocyte, or hematocyte) is a cell produced through hematopoiesis and found mainly in the blood. Major types of blood cells include red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
Hematopoietic stem cells (HSCs) are the stem cells [1] that give rise to other blood cells.This process is called haematopoiesis. [2] In vertebrates, the first definitive HSCs arise from the ventral endothelial wall of the embryonic aorta within the (midgestational) aorta-gonad-mesonephros region, through a process known as endothelial-to-hematopoietic transition.
17311 Ensembl ENSG00000049130 ENSMUSG00000019966 UniProt P21583 P20826 RefSeq (mRNA) NM_003994 NM_000899 NM_013598 NM_001347156 RefSeq (protein) NP_000890 NP_003985 NP_001334085 NP_038626 Location (UCSC) Chr 12: 88.49 – 88.58 Mb Chr 10: 99.85 – 99.94 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Stem cell factor (also known as SCF, KIT-ligand, KL, or steel factor) is a cytokine ...
Leukopoiesis is a form of hematopoiesis in which white blood cells (WBC, or leukocytes) are formed in bone marrow located in bones in adults and hematopoietic organs in the fetus. White blood cells, indeed all blood cells, are formed from the differentiation of pluripotent hematopoietic stem cells which give rise to several cell lines with ...
Homing is the phenomenon whereby cells migrate to the organ of their origin. By homing, transplanted hematopoietic cells are able to travel to and engraft (establish residence) in the bone marrow . Various chemokines [ 1 ] and receptors [ 2 ] are involved in the homing of hematopoietic stem cells .