| submucosal implant | An implant resting beneath the mucosa. See: implant denture. (05 Mar 2000) |
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| submucosal plexus | A gangliated plexus of unmyelinated nerve fibres, derived chiefly from the superior mesenteric plexus, ramifying in the intestinal submucosa. Synonym: plexus submucosus, Meissner's plexus, Remak's plexus. (05 Mar 2000) |