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polycythemia rubra vera (PV)

Etymology: Gk, polys, many, kytos, cell, haima, blood, L, ruber, red, verus, true
a myeloproliferative neoplasm characterized by an elevated red blood cell count and mass, hematocrit, hemoglobin, leukocytes, and thrombocytosis. The skin and mucous membranes acquire a maroon or plum color, and hepatomegaly, splenomegaly, hypertension, and neurological symptoms develop. The condition is associated with the JAK2 mutation. Also called primary polycythemia.


(1) A state of heightened awareness, monitoring and reporting of potentially adverse pharmacologic events.
(2) The branch of pharmacology focused on detecting, assessing, understanding and preventing long- and short-term adverse effects of medicines.


1. Pemphigus vulgaris.
2. Peripheral vascular/vein/vessel.
3. Plasma volume.
4. Polio vaccine.
5. Poliovirus.
6. Polycythemia vera, see there.
7. Portal vein.
8. Polyoma virus.
9. Postvoiding.
10. Proteus vulgaris.
11. Pulmonary vein.