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An anatomic study of the tensor veli palatini and dilatator tubae muscles in relation to eustachian tube and velar function.
Cleft Palate Craniofac J. 1998 Mar; 35(2):101-10.CP

Abstract

In a gross anatomic study of 20 sides in 16 human head specimens, the tensor veli palatini, the dilatator tubae, and the tensor tympani muscles were studied. The tensor veli palatini was observed to insert onto the anterior one-third of the pterygoid hamulus, whereas the dilatator tubae rounded the middle one-third of the pterygoid hamulus without an insertion. Thus, the dilatator tubae, not the tensor veli palatini, could serve to tense the anterior velum. An insertion from the superior pharyngeal constrictor muscle onto the posterior one-third of the hamulus could provide a curbing function for the dilatator tubae muscle. Adipose tissue, located at the hamulus, could provide lubrication for the tendinous fibers of the dilatator tubae as they round the hamulus. The dilatator tubae was observed to attach to the hook of the eustachian tube and is accepted as the tubal dilator. Observed on 13 of 20 sides in 11 specimens, the bulk of the dilatator tubae remained distinct from the tensor veli palatini despite a connective tissue alliance and intermingling of some muscle fibers. On 5 of 20 sides in 5 specimens, fibers of the dilatator tubae intermingled extensively with the tensor veli palatini. Of the 20 dilatator tubae muscles dissected, 2 were observed to be deficient. The tensor veli palatini was observed to be continuous with the tensor tympani. Full color versions of the figures are available at the following website: http://www.shc.uiowa.edu/papers/tensor/.

Authors+Show Affiliations

Barsoumian R
University of Rochester School of Medicine, New York, USA.
Kuehn DP
No affiliation info available
Moon JB
No affiliation info available
Canady JW
No affiliation info available

MeSH

Eustachian TubeFemaleHumansMalePalatal MusclesPalate, SoftTendonsTensor TympaniTerminology as Topic

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

9527306

Citation

Barsoumian, R, et al. "An Anatomic Study of the Tensor Veli Palatini and Dilatator Tubae Muscles in Relation to Eustachian Tube and Velar Function." The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association, vol. 35, no. 2, 1998, pp. 101-10.
Barsoumian R, Kuehn DP, Moon JB, et al. An anatomic study of the tensor veli palatini and dilatator tubae muscles in relation to eustachian tube and velar function. Cleft Palate Craniofac J. 1998;35(2):101-10.
Barsoumian, R., Kuehn, D. P., Moon, J. B., & Canady, J. W. (1998). An anatomic study of the tensor veli palatini and dilatator tubae muscles in relation to eustachian tube and velar function. The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association, 35(2), 101-10.
Barsoumian R, et al. An Anatomic Study of the Tensor Veli Palatini and Dilatator Tubae Muscles in Relation to Eustachian Tube and Velar Function. Cleft Palate Craniofac J. 1998;35(2):101-10. PubMed PMID: 9527306.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - An anatomic study of the tensor veli palatini and dilatator tubae muscles in relation to eustachian tube and velar function. AU - Barsoumian,R, AU - Kuehn,D P, AU - Moon,J B, AU - Canady,J W, PY - 1998/4/4/pubmed PY - 1998/4/4/medline PY - 1998/4/4/entrez SP - 101 EP - 10 JF - The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association JO - Cleft Palate Craniofac J VL - 35 IS - 2 N2 - In a gross anatomic study of 20 sides in 16 human head specimens, the tensor veli palatini, the dilatator tubae, and the tensor tympani muscles were studied. The tensor veli palatini was observed to insert onto the anterior one-third of the pterygoid hamulus, whereas the dilatator tubae rounded the middle one-third of the pterygoid hamulus without an insertion. Thus, the dilatator tubae, not the tensor veli palatini, could serve to tense the anterior velum. An insertion from the superior pharyngeal constrictor muscle onto the posterior one-third of the hamulus could provide a curbing function for the dilatator tubae muscle. Adipose tissue, located at the hamulus, could provide lubrication for the tendinous fibers of the dilatator tubae as they round the hamulus. The dilatator tubae was observed to attach to the hook of the eustachian tube and is accepted as the tubal dilator. Observed on 13 of 20 sides in 11 specimens, the bulk of the dilatator tubae remained distinct from the tensor veli palatini despite a connective tissue alliance and intermingling of some muscle fibers. On 5 of 20 sides in 5 specimens, fibers of the dilatator tubae intermingled extensively with the tensor veli palatini. Of the 20 dilatator tubae muscles dissected, 2 were observed to be deficient. The tensor veli palatini was observed to be continuous with the tensor tympani. Full color versions of the figures are available at the following website: http://www.shc.uiowa.edu/papers/tensor/. SN - 1055-6656 UR - https://www.unboundmedicine.com/medline/citation/9527306/An_anatomic_study_of_the_tensor_veli_palatini_and_dilatator_tubae_muscles_in_relation_to_eustachian_tube_and_velar_function_ DB - PRIME DP - Unbound Medicine ER -