Anatomical relationships of the cleidoatlanticus muscle. Interpretation about its origin

An unusual muscular variation, the cleidoatlanticus muscle, was observed on the right-hand side of the lateral cervical region. The upper third of the muscle was concealed by the sternocleidomastoid muscle. There was a loop of nerves surrounding the muscle, formed by an anastomosis between the trans...

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Bibliographic Details
Published in:Anatomical science international 2009-04, Vol.84 (1-2), p.47-52
Main Authors: Rodríguez-Vázquez, J. F., Mérida-Velasco, J. R., Verdugo-López, S., de la Cuadra-Blanco, C., Sanz-Casado, J. V.
Format: Article
Language:English
Subjects:
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Anatomy
Anatomy & physiology
Animal Anatomy
Animal Physiology
Cadaver
Cell Biology
Histology
Human Physiology
Humans
Male
Medicine
Medicine & Public Health
Morphology
Neck Muscles - anatomy & histology
Neurons
Neurosciences
Original Article
Studies
Surgical techniques
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Summary:An unusual muscular variation, the cleidoatlanticus muscle, was observed on the right-hand side of the lateral cervical region. The upper third of the muscle was concealed by the sternocleidomastoid muscle. There was a loop of nerves surrounding the muscle, formed by an anastomosis between the transverse cervical nerve and the greater auricular nerve. A fine vascular-nervous pedicle (formed by a small branch from the transverse cervical artery and by a branch from the medial supraclavicular nerve) entered the deep surface of the muscle at the junction of its middle and lower thirds. Taking into account the relationships that presented with the superficial branches of the cervical plexus, we consider that the cleidoatlanticus muscle is derived from the sternocleidomastoid muscle.
ISSN:1447-6959
1447-073X
DOI:10.1007/s12565-009-0018-1