longus colli muscle


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lon·gus col·li mus·cle

(long'gŭs kol'ī mŭs'ĕl)
Medial part: origin, the bodies of the third thoracic to the fifth cervical vertebrae; insertion, the bodies of the second to fourth cervical vertebrae; superolateral part: origin, the anterior tubercles of the transverse processes of the third to fifth cervical vertebrae; insertion, the anterior tubercle of the atlas; inferolateral part: origin, the bodies of the first to third thoracic vertebrae; insertion, the anterior tubercles of the transverse processes of the fifth and sixth cervical vertebrae; action, for all three parts, twist neck and flex neck anteriorly; nerve supply, for all three parts, ventral primary rami of cervical spinal nerves (cervical plexus).
Synonym(s): musculus longus colli [TA] , long muscle of neck.
References in periodicals archive ?
The sagittal CECT scan of the neck shows amorphous calcification of the longus colli muscle and a retropharyngeal effusion (red arrow).
The cervical segment is supported by the longus colli muscle anteriorly and the semispinalis cervicis and cervical multifidus muscles posteriorly.
Cervicothoracic ganglion was located at the first intercostal space and ventrolateral side of longus colli muscle.
Whilst fluoroscopy is a reliable method for identifying the nerve structures, ultrasound allows for the identification of the vertebral vessels, the thyroid gland and vessels, the longus colli muscle, the nerve roots and the esophagus.
MRI findings demonstrated a smooth retropharyngeal effusion extending from the skull base to the C5 level and asymmetric edema of the left longus colli muscle (Figure 2).
Acute calcific tendinitis of the longus colli muscle (CTLC) is a rare and self-limiting inflammatory disorder of the tendon insertions.
It is related to calcium hydroxyapatite deposition in the superior oblique fibers of the longus colli muscle.
Affected patients generally present with an inflammation of the longus colli muscle tendon.
Acute calcific tendonitis of the longus colli muscle
A radiologic finding of an amorphous soft-tissue calcification in the longus colli muscle at the level of C1 or C2 is considered pathognomonic for prevertebral calcific tendinitis.
It is in the submucosal plane between the longus colli muscles without any inflammatory changes.
The mechanisms triggering haemorrhage into the retropharyngeal space are thought to be due to injury to the longus colli muscles on the anterior surface of the vertebral bodies, the anterior longitudinal ligament or the anterior muscular and spinal branches of the vertebral artery (3).