Search the Library

body) - Left atrium → left ventricle (receives oxygenated blood from lungs) **Valves:** - **Atrioventricular (AV):** tricuspid (right) and mitral/bicuspid (left) - **Semilunar:** pulmonary (right) and aortic

body contours and posterior structures appear clearly. Panel C shows a frontal spinal angiogram. A catheter passes upward along the spine. An arrowhead marks a round contrast filled structure near the spine that connects to several narrow, winding tubular structures Fig. 26.5 Spinal perimedullary arteriovenous fistula

body contours and posterior structures appear clearly. Panel C shows a frontal spinal angiogram. A catheter passes upward along the spine. An arrowhead marks a round contrast filled structure near the spine that connects to several narrow, winding tubular structures Fig. 26.5 Spinal perimedullary arteriovenous fistula

body contours and posterior structures appear clearly. Panel C shows a frontal spinal angiogram. A catheter passes upward along the spine. An arrowhead marks a round contrast filled structure near the spine that connects to several narrow, winding tubular structures Fig. 26.5 Spinal perimedullary arteriovenous fistula

Body, 20th edition (1918). Public domain.* --- ## The Heart The heart is a hollow muscular organ of a somewhat conical form; it is placed obliquely in the chest behind the sternum and cartilages of the third, fourth, fifth, sixth, and seventh ribs of the left side, and projects