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puncture of a vein to remove blood, instill a medication, or start an intravenous infusion
the appearance of multiple purple discolorations on the skin caused by bleeding underneath the skin
the surgical opening or puncture of a vein in order to withdraw blood or introduce a fluid
a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
A hormone produced and released by the kidney that stimulates the production of red blood cells by the bone marrow.
a technique that uses an electrical field within a gel to separate molecules by their size and charge
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