| tonsillar crypt | One of the variable number of deep recesses that extend into the palatine and pharyngeal tonsils from the free surface where they open at the tonsillar fossa. Synonym: crypta tonsillaris. (05 Mar 2000) |
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| crypt | <pathology> Deep pit that protrudes down into the connective tissue surrounding the small intestine. The epithelium at the base of the crypt is the site of stem cell proliferation and the differentiated cells move upwards and are shed 3-5 days later at the tips of the villi. (18 Nov 1997) |
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| crypt abscesses | Abscesses in crypts of Lieberkuhn of the large intestinal mucosa; a characteristic feature of ulcerative colitis. (05 Mar 2000) |
| dental crypt | <dentistry> The space filled by the dental follicle. Enamel crypt, the narrow, mesenchyme-filled space between the dental ledge and an enamel organ. Synonym: enamel niche. (05 Mar 2000) |
| synovial crypt | A diverticulum of the synovial membrane of a joint. (05 Mar 2000) |
| lingual crypt | A pit lined with epithelium in the lingual tonsil. (05 Mar 2000) |
| tonsillar | Relating to a tonsil, especially the palatine tonsil. Synonym: amygdaline. (05 Mar 2000) |
| tonsillar branch of glossopharyngeal nerve | <anatomy, nerve> Branches of glossopharyngeal nerve conducting sensory fibres from the palatine tonsillar fossa. Synonym: rami tonsillares nervi glossopharyngei. (05 Mar 2000) |
| tonsillar branch of the facial artery | <anatomy, artery> Primary blood supply to palatine tonsil, with extensive anastomoses with other tonsillar arteries. Synonym: ramus tonsillaris arteriae facialis. (05 Mar 2000) |
| tonsillar calculus | A calcareous concretion in a distended tonsillar crypt. Synonym: tonsillar calculus, tonsillith. Origin: tonsillo-+ G. Lithos, stone (05 Mar 2000) |
| tonsillar fossa | The depression between the palatoglossal and palatopharyngeal arches occupied by the palatine tonsil. Synonym: fossa tonsillaris, amygdaloid fossa, sinus tonsillaris. (05 Mar 2000) |
| tonsillar fossulae | The small pits at the openings of the tonsillar crypts onto the medial surface of the tonsil. Synonym: fossulae tonsillares. (05 Mar 2000) |
| tonsillar herniation | Herniation of the cerebellar tonsils through the foramen magnum. (05 Mar 2000) |
| tonsillar ring | The broken ring of lymphoid tissue, formed of the lingual, faucial, and pharyngeal tonsils. Synonym: Bickel's ring, tonsillar ring, Waldeyer's throat ring. (05 Mar 2000) |