Primary biliary sclerosis (PBC) is thought to be an autoimmune disorder that involves the deterioration of the liver's small bile ducts. These ducts
Bone marrow is the sponge-like tissue inside the bones, which contains very valuable cells called stem cells. Stem cells mature and develop into various types of blood cells, including red blood cells, white blood cells and platelets. Someone who experiences damage to stem cells inside the bone marrow isn’t able to make the necessary blood cells and platelets needed to properly clot blood. People with normal blood platelet counts have between 150,000–450,000 platelets per microliter of circulating blood, but those with low counts can have much less.
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