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Relationships
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AnimalAnatomicalStructure |
AnatomicalStructures that are possessed exclusively by Animals.
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SomaticCell |
SomaticCells are the cells in the body other than a Gamete, germ cell, gametocyte or undifferentiated stem cell. In humans, somatic cells are diploid, meaning they contain two sets of chromosomes. [Wikipedia]
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Platelet | Platelets, also called thrombocytes, are a component of blood whose function (along with the coagulation factors) is to react to bleeding from blood vessel injury by clumping, thereby initiating a blood clot. Platelets have no cell nucleus; they are fragments of cytoplasm that are derived from the megakaryocytes of the bone marrow, which then enter the circulation. Circulating inactivated platelets are biconvex discoid (lens-shaped) structures, 2–3 µm in greatest diameter. Activated platelets have cell membrane projections covering their surface. Platelets are found only in Mammals, whereas in other vertebrates (e.g. Birds, amphibians), thrombocytes circulate as intact mononuclear cells. |
| | RedBloodCell | BloodCells that contain hemoglobin, lack a CellNucleus, and carry Oxygen to the tissues of the body. |
| | WhiteBloodCell | BloodCells that lack hemoglobin, contain a CellNucleus, and have no color. |