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either of two masses of lymphatic tissue one on each side of the oral pharynx (同)palatine_tonsil, faucial_tonsil, tonsilla

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扁桃腺(へんとうせん)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/09/30 05:00:49」(JST)

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The tubal tonsil is one of the four main tonsil groups comprising Waldeyer's tonsillar ring, which includes the Palatine tonsil, the Lingual tonsil, the Pharyngeal tonsil, and the Tubal tonsil.

The tubal tonsil is very close to the torus tubarius,^[1] which is why this tonsil is sometimes also called the tonsil of (the) torus tubarius.^[2] Equating the torus with its tonsil however might be seen as incorrect or imprecise.

It is located posterior to the opening of the Eustachian tube into the nasopharynx.^[3]

References

^ Michael Tam,"The Pharynx"[1], Medical Student's Retreat-Anatomy Notes,Last updated 30 March 2006.
^ English Arabic Dictionary of Medical terms,"tonsil of torus tubarius = tubal tonsil"[2], Almaany.com,2010-2014.
^ Patricia Brady Wilhelm; Marieb, Elaine Nicpon; Mallatt, Jon (2005). Human anatomy. San Francisco: Pearson/Benjamin Cummings. p. 572. ISBN 0-8053-5511-1.

「耳管扁桃」

Lymph: Tubal tonsil
	External and middle ear, opened from the front. Right side. (Tubal tonsil not labeled, but region is visible at bottom right.)
Latin	tonsilla tubaria