| 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 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) |
| 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) |
| anal pit | 1. An ectodermally lined depression under the root of the tail, adjacent to the terminal part of the embryonic hindgut; at its bottom, proctodeal ectoderm and cloacal endoderm form the cloacal plate. When this epithelial plate ruptures, the anal and urogenital external orifices are established. Synonym: anal pit. 2. Terminal portion of the insect alimentary canal, extending from the pylorus (area of malpighian tubule attachment) to the anal opening; in certain diptera (flies) and other insects, the proctodeum is divided into a tubular anterior intestine and an enlarged posterior intestine, or rectum, ending at the anus. Origin: L. Fr. G. Proktos, anus + hodaios, on the way, fr. Hodos, a way (05 Mar 2000) |
| articular pit of head of radius | The depression on the top (superior surface) of the head of the radius for articulation with the capitulum of the humerus. Synonym: fovea articularis capitis radii, articular pit of head of radius. (05 Mar 2000) |
| borrow pit | Excavations created by the surface mining of rock, unconsolidated geologic deposits or soil to provide material (borrow) for fill elsewhere. (09 Oct 1997) |
| buccal pit | A structural depression found on the buccal enamel of molars. (05 Mar 2000) |
| gastric pit | One of the numerous small pits in the mucous membrane of the stomach that are the mouths of the gastric glands. Synonym: foveola gastrica. (05 Mar 2000) |
| Mantoux pit | Shallow 2-3 mm depressions of the palms and soles in basal cell nevus syndrome. (05 Mar 2000) |