- 1. A cul-de-sac or pouchlike cavity. 2. A diseased gingival attachment; a space between the inflamed gum and the surface of a tooth, limited apically by an epithelial attachment. 3. To enclose within a confined space, as the stump of the pedicle of an ovarian or other abdominal tumor between the lips of the external wound. 4. A collection of pus in a nearly closed sac. 5. To approach the surface at a localized spot, as with the thinned-out wall of an abscess that is about to rupture. [Fr. pochette]- gingival p. a diseased gingival attachment in which the increased depth of the sulcus is due to an increase in the bulk of its gingival wall.- infrabony p., intrabony p. SYN: subcrestal p..- periodontal p. a pathologic deepening of the gingival sulcus resulting from detachment of the gingiva from the tooth.- retraction pockets small areas of retraction of the tympanic membrane due to chronic negative pressure in the middle ear that can lead to formation of cholesteatoma.- rheumatoid p. SYN: susceptibility cassette.- Seessel p. the part of the embryonic foregut extending cephalad to the level of the oral plate and caudal to the pituitary diverticulum (Rathke pouch). SYN: preoral gut.- subcrestal p. a p. extending apically below the level of the adjacent alveolar crest. SYN: infrabony p., intrabony p..- Tröltsch pockets SYN: anterior recess of tympanic membrane, posterior recess of tympanic membrane.
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pock·et 'päk-ət n a small cavity or space esp an abnormal cavity formed in diseased tissue <a gingival \pocket>* * *
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pock·et (pokґət) a bag or similar space; see also cavity, pouch, recess, and sac.
Medical dictionary. 2011.
