hemapheresis he·ma·pher·e·sis (hē'mə-fěr'ə-sĭs, hěm'ə-)
n.
See apheresis.
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |