ClipArt ETC
<em>L.A.</em>, left auricle; <em>R.A.</em>, right auricle; <em>A</em>, opening of the inferior vena cava; <em>B</em>, superior vena cava; <em>C</em>, cardiac vein of right auricle laid open; <em>D</em>, left pulmonary veins; <em>E</em>, eight pulmonary veins; <em>F</em>, muscular fibers surrounding the openings between the left auricle and left ventricle, and the right auricle and right ventricle; <em>G, H, K,</em> and <em>L</em>, muscular fibers surrounding the great veins of the heart." &mdash; Blaisedell, 1904

Muscular fibers of the auricle

L.A., left auricle; R.A., right auricle; A, opening of the inferior vena…

The constitution of the cardiac plexuses. Labels: Sy, cervical sympathetic cord; C.1, superior cervical ganglia; C.2, middle cervical ganglia; C.3, inferior cervical ganglia; Car.1, superior sympathetic branch; Car.2, middle sympathetic branch; Car.3, inferior cardiac sympathetic branch; Va, pneumogastric nerve; R.L, recurrent laryngeal nerve; s, superior cervical cardiact branch of vagus; i, inferior cardiac branch of vagus; D.C.P, deep cardiac plexus; S.C.P, superficial cardiac plexus, A.P.P, anterior pulmonary plexus; P.P.P, posterior pulmonary plexus; R.Car.P, right coronary plexus; L.Car.P, left coronary plexus; Art.Pul, pulmonary artery.

Cardiac Plexuses

The constitution of the cardiac plexuses. Labels: Sy, cervical sympathetic cord; C.1, superior cervical…

"<em>A</em>, superior vena cava; <em>B</em>, right auricle; <em>C</em>, right ventricle; <em>D</em> left ventricle; <em>E</em>, left auricle; <em>F</em> pulminary vein; <em>H</em>, pulminary artery; <em>K</em> aorta; <em>L</em>, right subclavian artery; <em>N</em>, left common carotid artery." &mdash; Blaisedell, 1904

Anterior view of the heart

"A, superior vena cava; B, right auricle; C, right ventricle; D…

"<em>L.A.</em>, left auricle; <em>R.A.</em>, right auricle; <em>R.V.</em>, right ventricle; <em>A</em>, opening of the inferior vena cava; <em>B</em>, superior vena cava; <em>C</em>, right pulmonary veins; <em>D</em>, left pulmonary veins; <em>E</em>aorta; <em>F</em>, left branch of pulmonary artery; <em>G</em>, great cardiac vein; <em>H</em>middle cardiac vein. the cardiac lymphatics which follow the course of the cardiac veins are also shown." — Blaisedell, 1904

Posterior View of the Heart

"L.A., left auricle; R.A., right auricle; R.V., right ventricle; A,…

"Siphonal stomach and spiral valve of Basking-shark (Selache). a, esophagus; b, cardiac portion of stomach; c, pyloric portion; d, pouch intermediate between stomach and duodenum, with circular valves at both ends; e, duodenum; f, valve of intestine; g, ductus hepaticus; h, spleen." &mdash; Encyclopedia Britannica, 1893

Shark Stomach

"Siphonal stomach and spiral valve of Basking-shark (Selache). a, esophagus; b, cardiac portion of stomach;…

"<em>A</em>, cardiac end; <em>B</em>, pyloric end." &mdash; Blaisedell, 1904

Stomach

"A, cardiac end; B, pyloric end." — Blaisedell, 1904