Torus tubarius References External links Navigation menuA05.3.01.01254993page 1043FUNCTIONAL ANATOMY OF THE EUSTACHIAN TUBE. CLEVELAND S. SIMKINS, PH.D. Arch Otolaryngol. 1943;38(5):476-484.Anatomy photo:31:14-0102grossanatomy/dissector/labs/h_n/nasal/na4_1.html"Anatomy diagram: 25420.000-1"the originaleeA05.3.01.012

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Wikipedia articles incorporating text from the 20th edition of Gray's Anatomy (1918)Ear


cartilaginousauditory tubemucous membranenasal part of the pharynxtubal tonsil










Torus tubarius

Gray915.png

Auditory tube, laid open by a cut in its long axis (torus tubarius not labeled)

Details
Identifiers
LatinTorus tubarius
TAA05.3.01.012
FMA54993

Anatomical terminology
[edit on Wikidata]

The base of the cartilaginous portion of the auditory tube (eustachian tube, pharyngotympanic tube) lies directly under the mucous membrane of the nasal part of the pharynx, where it forms an elevation, the torus tubarius, the torus of the auditory tube, or cushion, behind the pharyngeal orifice of the tube. The torus tubarius is very close to the tubal tonsil,[1] which 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.


Two folds run posteriorly and anteriorly:


  • posteriorly, the vertical fold of mucous membrane, the salpingopharyngeal fold, stretches from the lower part of the torus tubarius; it contains the Salpingopharyngeus muscle which originates from the superior border of the medial lamina of the cartilage of the auditory tube,[3] and passes downward and blends with the posterior fasciculus of the palatopharyngeus muscle.

  • anteriorly, the second and smaller fold, the salpingopalatine fold, smaller than the salpingopharyngeal fold, contains some fibers of muscle, called salpingopalatine muscle by Simkins (1943),[3] it stretches from the superior border of lateral lamina of the cartilage, anteroinferiorly, to the back of the hard palate. The tensor veli palatini does not contribute to the fold, since the origin is deep to the cartilaginous opening.


References


This article incorporates text in the public domain from page 1043 of the 20th edition of Gray's Anatomy (1918)




  1. ^ http://download.videohelp.com/vitualis/med/pharynx.htm


  2. ^ http://www.almaany.com/home.php?language=english&lang_name=English&category=Medical&word=tonsil+of+torus+tubarius++%3D++tubal+tonsil


  3. ^ ab FUNCTIONAL ANATOMY OF THE EUSTACHIAN TUBE. CLEVELAND S. SIMKINS, PH.D. Arch Otolaryngol. 1943;38(5):476-484.




External links



  • Anatomy photo:31:14-0102 at the SUNY Downstate Medical Center


  • MedEd at Loyola grossanatomy/dissector/labs/h_n/nasal/na4_1.html


  • "Anatomy diagram: 25420.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014-01-01..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em











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