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Anatomy of Neck and Blood Supply of Brain
Published in Sudhir K. Gupta, Forensic Pathology of Asphyxial Deaths, 2022
The neck is a beautiful and intricate structure with its complex anatomy confined in its deep cervical fascia. The neck is a hollow cylindrical tube which is divided into anterior and posterior triangles by sternocleidomastoid muscle, and it originates from the base of the cranium and inferior border of mandible to the inlet of the thoracic duct. The neck contains important muscles, namely sternocleidomastoid between anterior and posterior triangles of the neck. The anterior triangle originates from inferior border of mandible and descends into the sternum below. The posterior triangle extends backwards to the anterior border of trapezius and inferiorly to the clavicle. The neck is quadrilateral and cylindrical in shape and is bounded anteriorly by anterior median line and posteriorly by the anterior border of trapezius muscle, superiorly by base of mandible and inferiorly by the clavicle.
Emergency Surgery
Published in Tjun Tang, Elizabeth O'Riordan, Stewart Walsh, Cracking the Intercollegiate General Surgery FRCS Viva, 2020
Alastair Brookes, Yiu-Che Chan, Rebecca Fish, Fung Joon Foo, Aisling Hogan, Thomas Konig, Aoife Lowery, Chelliah R Selvasekar, Choon Sheong Seow, Vishal G Shelat, Paul Sutton, Colin Walsh, John Wang, Ting Hway Wong
What are the triangles of the neck?Posterior triangleAnterior triangle (subdivided into submental, digastric, carotid and muscular)
Cervical lymphadenopathy
Published in Neeraj Sethi, R. James A. England, Neil de Zoysa, Head, Neck and Thyroid Surgery, 2020
For the purposes of teaching, particularly at the undergraduate level, triangles of the neck represent an easily understood and reproducible method of dividing the neck anatomically based on largely palpable landmarks.
MR neurography of the brachial plexus in adult and pediatric age groups: evolution, recent advances, and future directions
Published in Expert Review of Medical Devices, 2020
Alexander T. Mazal, Ali Faramarzalian, Jonathan D. Samet, Kevin Gill, Jonathan Cheng, Avneesh Chhabra
The brachial plexus is a large network of peripheral nerves formed by the ventral rami of the lower four cervical and first upper thoracic nerve roots (C5-C8, T1) (Figure 1). It is referred to as a pre-set or post-set brachial plexus depending upon additional contribution from C4 or T2 nerve roots, respectively. During surgical dissection, many brachial plexus variations are commonly identified, e.g., early branching or intra-branch communications, and intra-muscular course, etc [1,2]. After exiting the spinal cord at their respective levels, the contributing nerve roots pass through the interscalene and posterior triangles of the neck, respectively, before passing laterally over the first rib and descending into the axilla [1–3]. The exiting branches of the plexus eventually terminate in the named major peripheral nerves, which provide sensory and motor innervation to the ipsilateral upper extremity.