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  2. Haematopoietic system - Wikipedia

    en.wikipedia.org/wiki/Haematopoietic_system

    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

  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. 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).

  5. Myeloid tissue - Wikipedia

    en.wikipedia.org/wiki/Myeloid_tissue

    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.

  6. 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.

  7. File:Hematopoiesis (human) diagram.png - Wikipedia

    en.wikipedia.org/wiki/File:Hematopoiesis_(human...

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  8. Granulopoiesis - Wikipedia

    en.wikipedia.org/wiki/Granulopoiesis

    Emergency granulopoiesis is a fundamental hematopoietic mechanism activated during acute infections or inflammatory conditions, leading to a swift increase in granulocyte production, especially neutrophils, in the bone marrow. This process is essential for enhancing the innate immune system's capability to confront pathogen invasions effectively.

  9. Extramedullary hematopoiesis - Wikipedia

    en.wikipedia.org/wiki/Extramedullary_hematopoiesis

    Hematopoiesis also takes place in many other tissues or organs such as the yolk sac, the aorta-gonad mesonephros (AGM) region, and lymph nodes. During development, vertebrates go through a primitive and a definitive phase of hematopoiesis. The lungs also play a role in platelet production in adults. [5]