- functional a. absence of splenic function due to spontaneous infarction of the spleen, as occurs in sickle cell anemia.
- a. with cardiovascular anomalies SYN: polysplenia.
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asple·nia (a-spleґne-ə) [a-1 + splen- + -ia] absence of the spleen. asplenic adjMedical dictionary. 2011.