MEDRADSC 2D03 Lecture Notes - Lecture 11: External Jugular Vein, Cisterna Chyli, Brachiocephalic Vein
28 Jul 2019
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Talking about the great vessels, no chambers of the heart. Can be organized into 5 planes: glandular plane. Thymus (bilobed organ); involved in t cell maturation: venous plane. See left & right internal jugulars, see left & right subclavian veins (after the brachiocephalic: arterial-nervous plane. Left & right phrenic nerves (innervates the diaphragm: visceral plane. Drains lymph from all of left side of body & right side below thorax. Curves laterally & joins venous system at junction of left external jugular vein & subclavian vein. Originates at l1-2 (called the cisterna chyli) Large clusters mainly in the armpits, neck, groin. Anterior mediastinal nodes typical site of mets from primary great or thyroid. Seen a huge lesion (m is pointing to it) Left & right vagus nerves are lateral esophagus. Merge to enclose esophagus in esophageal nerve plexus. There is a nerve plexus that surrounds the esophagus. Starts to left of vertebrae, shifts to midline.
