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<p>[[Thrombopoiesis - WikiBlood#Megakaryocyte|Megakaryocytes]] residue alongside the sinusoid membrane but do not leave the tissue, rather they release their [[Thrombocytes - WikiBlood|platelets]] and then withdraw from the membrane.</p>
<p>[[Thrombopoiesis - WikiBlood#Megakaryocyte|Megakaryocytes]] residue alongside the sinusoid membrane but do not leave the tissue, rather they release their [[Thrombocytes - WikiBlood|platelets]] and then withdraw from the membrane.</p>
===Lymphoid tissue===
===Lymphoid tissue===
+
[[Image:LH Bone Marrow Granulocyte Histology.jpg|thumb|75px|'''Developing granulocytes''' ©RVC 2008]]
*In some primates it acts as a [[Primary Lymphoid Tissue - Anatomy & Physiology|primary lymphoid organ]]
*In some primates it acts as a [[Primary Lymphoid Tissue - Anatomy & Physiology|primary lymphoid organ]]
*Bone marrow is also a [[Secondary Lymphoid Tissue - Anatomy & Physiology|secondary lympoid tissue]]
*Bone marrow is also a [[Secondary Lymphoid Tissue - Anatomy & Physiology|secondary lympoid tissue]]