Columellar Muscle of Neogastropods: Muscle Attachment and the Function of Columellar Folds
نویسندگان
چکیده
منابع مشابه
An Oblique Columellar Artery Variant
A variant of the columellar artery (CoA), also known as the nasal septal branch of the superior labial artery of the facial artery, and its unusual direct anastomosis with the right infraorbital artery were identified in a cadaveric dissection. Numerous variants and distribution patterns of the CoA have been described in the literature. However, an oblique and a third CoA variant that anastomos...
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Detailed descriptions of the ideals of columellar aesthetics and nostril shape are conspicuously lacking from the medical literature. Achieving an aesthetic nasal base is critical to an optimal rhinoplasty result. Deviations in the columella and variations in its width and height lead to distortion of nostril shape and frequently compromise function. Six types of columellar disproportion are pr...
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Columellar skin defects may be caused by excision of cutaneous malignancy, trauma, or tissue necrosis associated with surgery. Although columellar skin necrosis rarely occurs following rhinoplasty, this condition might be more common when using an external approach than a closed approach. Columellar skin incision performed with exaggerated tip augmentation may cause columellar necrosis. The nas...
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Columella is an important facial component and provides support and projection to the tip of the nose. Columella defects may cause significant aesthetic and functional deformities. We present our case-load of 2007: 61 patients operated in that year had been carried out and concluded. Surgical techniques for the correction of columellar defects were classified as "open tip" and "closed tip". The...
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ژورنال
عنوان ژورنال: The Biological Bulletin
سال: 2003
ISSN: 0006-3185,1939-8697
DOI: 10.2307/1543298