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Howell,William, U.S. physiologist, 1860-1945.
Howell-Jolly bodies - spherical or ovoid eccentrically located granules occasionally observed in the stroma of circulating erythrocytes that occur most frequently after splenectomy or in megaloblastic or severe hemolytic anemia. Synonym(s): Jolly bodies
Howell unit - equivalent approximately to 0.002 mg of pure heparin. Synonym(s): heparin unit