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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: N: Nasalis

Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: N

Nasalis

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed


Fibers from nasalis may pass upward on the nasal bones and enter into the formation of procerus.

Frequently, the pars alaris and pars transversa are recognized as distinct muscles, depressor alae nasi (myrtiformis [Casserio]), dilatator pinnae [Santorini] and compressor narium [H. Meyer] , respectively.

Thin muscular slips on the outer margin of the nostrils are sometimes described as distinct muscles, dilatores naris anterior and posterior (Theile) or levatores alae nasi posterior and anterior (Arnold).

Frequently, under the pars alaris a minute muscle may be found, apicus nasi (Luschka) and the compressor narium minor (Arnold). It consists of a few bundles of muscle fibers, which arises from the lateral crus of the cartilage of the aperture and passes horizontally forward to end in the anterior part of the nasal margin, on the cartilage at the junction of the two crura and its apical part.

The musculus anomalous (Albinus) is a longitudinal muscular slip attached to the maxilla by both extremities of the muscle. It arises under the cover of the common elevator of the lip and nose, from the nasal process of the maxilla under the muscle, and terminates below in in a variety of ways, either by a single slip or a number of slips. The most common termination is by a slip attached to the maxilla just medial to the canine fossa, and it runs in the line of the naso-labial furrow.


References

Anson, B.J., Ed. (1966) Morris' Human Anatomy,12th ed.,The Blakiston Division, McGraw-Hill Book Company, New York.

Henle, J. (1871) Handbuch der Muskellehre, in Handbuch der systematischen Anatomie des Menschen. Verlag von Friedrich Vieweg und Sohn, Braunschweig.

Huber, E. (1918-19) Uber die Morphology des M. Procerus nasi des Menschen. Anat. Anz. 51:302-308.

Macalister, A. (1875) Observations on muscular anomalies in the human anatomy. Third series with a catalogue of the principal muscular anomalies hitherto published. Trans. Roy. Irish Acad. Sci. 25:1-130.

LeDouble, A.F. (1897) Traité des Variations du Système Musculaire de l'Homme et Leur Signification au Point de l'Anthropologie Zoologique. Libraire C. Reinwald, Schlechter Freres, Paris.

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