| sacciform | <biology> Having the general form of a sac. Origin: L. Saccus a sack. Source: Websters Dictionary (01 Mar 1998) |
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| sacciform recess | An extension of the cavity of the distal radioulnar articulation proximad between the two bones, an extension of the capsule of the elbow joint at the neck of the radius. Synonym: recessus sacciformis. (05 Mar 2000) |