pharyngeal tonsil

pharyngeal tonsil
noun
a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)
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hypertrophy of the pharyngeal tonsils is called adenoids

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enlarged adenoids may restrict the breathing of children

• Derivationally related forms: ↑adenoid (for: ↑adenoid), ↑adenoidal (for: ↑adenoid)
• Hypernyms: ↑lymphatic tissue, ↑lymphoid tissue
• Part Holonyms: ↑throat, ↑pharynx

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noun
: a mass of lymphoid tissue at the back of the pharynx between the eustachian tubes that is usually best developed in young children, is commonly atrophied in the adult, and is markedly subject to hypertrophy and adenoid formation especially in children

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pharyngeal tonsil,
a mass of lymphoid glandular tissue at the back of the upper part of the pharynx, especially in children, the abnormal enlargement of which is called adenoids.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Pharyngeal tonsil — Location of the adenoid Latin tonsilla pharyngea MeSH …   Wikipedia

  • pharyngeal tonsil — n a mass of lymphoid tissue at the back of the pharynx between the eustachian tubes that is usu. best developed in young children, is commonly atrophied in the adult, and is markedly subject to hypertrophy and adenoid formation esp. in children… …   Medical dictionary

  • pharyngeal tonsil — noun An adenoid …   Wiktionary

  • pharyngeal bursa — n a crypt in the pharyngeal tonsil that represents a communication existing during fetal life between the pharynx and the tip of the notochord * * * bursa pharyngealis [TA] an inconstant blind sac located above the pharyngeal tonsil in the… …   Medical dictionary

  • tonsil — 1. Intraepithelial collection of lymphocytes forming a lymphoepithelial ring in the pharynx. 2. SYN: palatine t.. [L. tonsilla, a stake, in pl. the tonsils] cerebellar t. SYN: t. of cerebellum. t. of cerebellum [TA] a rounded lobule on the… …   Medical dictionary

  • pharyngeal bursa — noun : a crypt in the pharyngeal tonsil thought to represent the communication that exists during fetal life between the pharynx and the hypophysis …   Useful english dictionary

  • crypts of pharyngeal tonsil — cryptae tonsillares tonsillae pharyngealis …   Medical dictionary

  • tonsillar crypts of pharyngeal tonsil — cryptae tonsillares tonsillae pharyngealis …   Medical dictionary

  • lymphoid nodules of pharyngeal tonsil — noduli lymphoidei tonsillae pharyngealis …   Medical dictionary

  • tonsil — tonsillar, tonsilar, tonsillary /ton seuh ler ee/, adj. /ton seuhl/, n. Anat. a prominent oval mass of lymphoid tissue on each side of the throat. [1595 1605; < L tonsillae (pl.) the tonsils] * * * Small mass of lymphoid tissue in the wall of the …   Universalium

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