A RARE BILATERAL VARIATION OF THE ANTERIOR BELLY OF DIGASTRIC MUSCLE
Journal Title: Journal of Indira Gandhi Institute of Medical Sciences - Year 2018, Vol 4, Issue 2
Abstract
ABSTRACT : The digastric muscle is a suprahyoid muscle which consists of two bellies: anterior & posterior. Above the hyoid bone these two bellies are connected by an intermediate tendon, which is anchored to the hyoid bone by a fascial sling of invesng layer of deep cervical fascia. The variaons of the anterior belly of digastric muscle are uncommon. In the present case, we found a bilateral symmetric variaon in the anterior bellies of digastric muscle in a 58 year old female cadaver. Both accessory bellies were present bilaterally medial to the anterior digastric muscles. Each accessory bellies consisted of two segments: anterior and posterior. Both segments crossed each other & looked like the leer "X". Both accessory bellies originated from the digastric fossa & inserted to the anterior digastric muscle. In the midline these accessory bellies were aached to each other by dense connecve ssue that also connected these bellies to the mylohyoid muscle superiorly. Anatomical variaons of the digastric muscle may affect the mascaon as well as degluon. Moreover, the accessory digastric muscles also affect the different diagnosc imaging and therapeuc procedures in the region of head and neck. Therefore this type of variaons must be considered in procedures involving this area.
Authors and Affiliations
Md. Jawed Akhtar
Keywords
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