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The posterior triangle (or lateral cervical region) is a region of the neck. Boundaries. The posterior triangle has the following boundaries: [1]
The triangles of the neck describe the divisions created by the major muscles in the region.. The side of the neck presents a somewhat quadrilateral outline, limited, above, by the lower border of the body of the mandible, and an imaginary line extending from the angle of the mandible to the mastoid process; below, by the upper border of the clavicle; in front, by the middle line of the neck ...
The lateral cervical lymph nodes are a group of lymph nodes found in the lateral side of the neck. Terminologia Anatomica divides them into: Superficial lateral cervical lymph nodes; Deep lateral cervical lymph nodes; Another source divides this group into "internal jugular", "spinal accessory", and "transverse cervical". [1]
the cervical region encompassing the neck, the acromial region encompassing the shoulder, the brachial region encompassing the upper arm, the olecranal region encompassing the back of the elbow, the antebrachial region encompasses the forearm, front and back; and the manual or manus region encompassing the back of the hand.
The classification of the cervical lymph nodes is generally attributed to Henri Rouvière in his 1932 publication "Anatomie des Lymphatiques de l'Homme" [6] [7] Rouviere described the cervical lymph nodes as a collar which surrounded the upper aerodigestive tract, consisting of submental, facial, submandibular, parotid, mastoid, occipital and retropharyngeal nodes, together with two chains ...
The superficial lateral cervical lymph nodes are found along the course of the external jugular vein, between the inferior aspect of the parotid gland and the supraclavicular nodes. The nodes are intercalated along the course of the vessels draining the parotid nodes and the infraauricular nodes.
The lateral cervical nucleus is a scattered nucleus located dorsally in the lateral funiculus in the first three cervical segments of the spine.The spinocervical and spinothalamic tracts synapse in the lateral cervical nucleus; the spinocervical tract projects ipsilaterally while the spinothalamic tract projects contralaterally.
The four main divisions of the spinal column, from top to bottom: cervical, thoracic, lumbar, and sacral. The lateral grey column (lateral column, lateral cornu, lateral horn of spinal cord, intermediolateral column) is one of the three grey columns of the spinal cord (which give the shape of a butterfly); the others being the anterior and posterior grey columns.