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"The Cervical and Thoracic Portions of the Sympathetic Nerve and their Main Branches. In the center of the figure, running almost vertically, is shown the right pneumogastrix nerve. To the left may be seen a chain of ganglia of the sympathetic nerve, running along the vertebrae. The distribution of some smaller ganglia and nerve branches in the neck and chest regions are also shown." — Blaisedell, 1904

Sympathetic nerve

"The Cervical and Thoracic Portions of the Sympathetic Nerve and their Main Branches. In the center…

"Part of the sympathetic nervous system seen from in front, n, one of the two chief cords, t, i, and p, branches to organs." —Davison, 1910

Sympathetic Nervous System

"Part of the sympathetic nervous system seen from in front, n, one of the two chief cords, t, i, and…

"Showing the distribution of some of the great plexuses of the sympathetic nerve in the lumbar and sacral regions." — Blaisedell, 1904

Plexuses of the Sympathetic Nerves

"Showing the distribution of some of the great plexuses of the sympathetic nerve in the lumbar and sacral…

"The transverse section of the thorax. 1, anterior mediastinum; 2, internal mammary vessels; 3, triangularis sterni; 4, 5, phrenic nerves; 6, thoracic duct; 7, esophagus; 8, vena azygos major; 9, thoracic aorta; 19, sympathetic; R. V., right ventricle; R. A., right auricle; P.A., pulmonary artery; A., aorta; C., superior vena cava; V., dorsal vertebra." — Richardson, 1906

Thorax

"The transverse section of the thorax. 1, anterior mediastinum; 2, internal mammary vessels; 3, triangularis…