Anatomical variations in the digastric muscle
نویسندگان
چکیده
منابع مشابه
Bilateral variations of the head of the digastric muscle in Korean: a case report
The digastric muscle, as the landmark in head and neck surgery, has two bellies, of which various variations have been reported. In the submental region of a 72-year-old Korean male cadaver, bilateral variations were found in the anterior belly of the digastric muscle. Two accessory bellies, medial to the two normal anterior bellies of the digastric muscle, ran posterior and medially, merging a...
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Anomalous digastric muscle may be an incidental finding during routine dissections or autopsies which may be asymptomatic or symptomatic. While performing routine educational dissection of the submandibular region of the neck, we encountered a unique bilateral composition of the digastric muscle. The posterior belly of digastric displayed a bifid origin. Two muscle bellies emanating from the di...
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The author studied anatomical variations of the origin of the chorda tympani nerve from the mastoid portion of the facial nerve. The studies were performed on 200 specimens of human temporal bone. It was found that the chorda tympani may arise from the facial nerve in three levels: most commonly from the mid third of its mastoid segment (70%), less commonly from the proximal third (20%), an...
متن کاملA rare variation of the digastric muscle
The digastric muscle is composed by two muscle bellies: an anterior and a posterior, joined by an intermediate tendon. This muscle is situated in the anterior region of the neck. The region between the hyoid bone and the mandible is divided by an anterior belly into two triangles: the submandibular situated laterally and the submental triangle which is located medially. We found that the anatom...
متن کاملAnatomical Study of the Digastric Muscle: Variations in the Anterior Belly Estudio Anatómico del Músculo Digástrico: Variación en el Vientre Anterior
The digastric muscle is formed by two muscle bellies: one anterior and one posterior, joined by an intermediate tendon. It is localized in the anterior cervical region. The anterior belly divides the region between the hyoid bone and the mandible into two: laterally the submandibular triangle, and medially the submental triangle. The anatomical variations described in the literature relate to t...
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ژورنال
عنوان ژورنال: The Kaohsiung Journal of Medical Sciences
سال: 2019
ISSN: 1607-551X
DOI: 10.1002/kjm2.12012