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  2. Haematopoietic system - Wikipedia

    en.wikipedia.org/wiki/Haematopoietic_system

    In a healthy adult person, approximately 10 11 –10 12 new blood cells are produced daily in order to maintain steady state levels in the peripheral circulation. [7] [8] All blood cells are divided into three lineages. [9] Red blood cells, also called erythrocytes, are the oxygen-carrying cells. Erythrocytes are functional and are released ...

  3. Haematopoiesis - Wikipedia

    en.wikipedia.org/wiki/Haematopoiesis

    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 ...

  4. Myeloid tissue - Wikipedia

    en.wikipedia.org/wiki/Myeloid_tissue

    Those cells' differentiation (that is, lymphopoiesis) is not complete until they migrate to lymphatic organs such as the spleen and thymus for programming by antigen challenge. Thus, among leukocytes, the term myeloid is associated with the innate immune system, in contrast to lymphoid, which is associated with the adaptive immune system.

  5. Hematopoietic stem cell - Wikipedia

    en.wikipedia.org/wiki/Hematopoietic_stem_cell

    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.

  6. Blood cell - Wikipedia

    en.wikipedia.org/wiki/Blood_cell

    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).

  7. Talk:Haematopoiesis - Wikipedia

    en.wikipedia.org/wiki/Talk:Haematopoiesis

    In esccense the first hematopoetic organ is the yolk sac, then the liver and spleen will take over in week 5 as a temporary but major hematopoietic tissues. Skipping over to about the 5th month of gestation, the bone marrow then becomes increasingly important as the hematopoietic organ.

  8. Hematology - Wikipedia

    en.wikipedia.org/wiki/Hematology

    Physicians specialized in hematology are known as hematologists or haematologists. [2] Their routine work mainly includes the care and treatment of patients with hematological diseases, although some may also work at the hematology laboratory viewing blood films and bone marrow slides under the microscope, interpreting various hematological test results and blood clotting test results.

  9. Aorta-gonad-mesonephros - Wikipedia

    en.wikipedia.org/wiki/Aorta-gonad-mesonephros

    Furthermore, isolated organ cultures of the AGM from mouse embryos can autonomously initiate hematopoietic stem cell activity, without influence from the yolk sac or liver. [3] At 10 days post coitus (d.p.c.) the aorta gonad mesonephros region was able to initiate and expand definitive haematopoietic stem cell activity, whereas no ...