Medical Dictionary

diastasis

noun di·as·ta·sis \ dī-ˈas-tə-səs \

medical Definition of diastasis

plural diastases play \-ˌsēz\
1 : an abnormal separation of parts normally joined together
2 : the rest phase of cardiac diastole occurring between filling of the ventricle and the start of atrial contraction

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allowing a liquid or gas to pass through

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