The Anthromica Library
The human body one structure at a time. Every page has a 3D model you can turn, with its parts numbered on it, where it sits, what it does and what supplies it.
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- Left atriumAtrium sinistrumThe upper left chamber of the heart, at its back, which takes oxygenated blood from the lungs and passes it to the left ventricle.
- Left brachiocephalic veinVena brachiocephalica sinistraA long vein crossing the upper mediastinum behind the manubrium, from the left sternoclavicular joint to meet its right partner.
- Left colic arteryArteria colica sinistraThe highest offshoot of the inferior mesenteric artery, running left behind the peritoneum to supply the descending colon and left colic flexure.
- Left colic nodesNodi colici sinistriLymph nodes lying along the left colic artery behind the peritoneum, draining the descending colon and the left colic flexure.
- Left coronary arteryArteria coronaria sinistraThe coronary artery arising from the left aortic sinus, a short trunk that soon divides to feed most of the left heart.
- Left gastric arteryArteria gastrica sinistraThe smallest branch of the coeliac trunk, running up to the oesophageal end of the stomach and then along its lesser curvature.
- Left gastro-omental veinVena gastroomentalis sinistraA vein following the stomach's greater curvature from right to left that drains the stomach and greater omentum into the splenic vein.
- Left inferior pulmonary veinVena pulmonalis sinistra inferiorThe lowest vein at the left hilum, returning oxygenated blood from the left lower lobe to the left atrium.
- Left lobe of thymusLobus sinister thymiThe left of the two lobes of the thymus, lying behind the sternum in the superior and anterior mediastinum in front of the great vessels.
- Left pulmonary arteryArteria pulmonalis sinistraThe shorter of the two terminal branches of the pulmonary trunk, carrying deoxygenated blood from the heart into the left lung.
- Left renal arteryArteria renum sinistraThe short artery that leaves the left side of the abdominal aorta just below the superior mesenteric artery to supply the left kidney.
- Left renal veinVena renalis sinistraThe long vein draining the left kidney, which crosses in front of the aorta below the superior mesenteric artery to reach the inferior vena cava.
- Left subclavian arteryArteria subclavia sinistraThe main artery of the left upper limb, springing directly from the aortic arch and arching over the first rib behind scalenus anterior.
- Left subclavian veinVena subclavia sinistraA large vein at the root of the neck carrying blood from the left upper limb, and receiving the thoracic duct at its junction.
- Left subcostal veinVena subcostalis sinistraThe vein running along the lower border of the left twelfth rib, which joins the left ascending lumbar vein to form the hemiazygos vein.
- Left superior intercostal veinVena intercostalis superior sinistraA vein formed by the upper left posterior intercostal veins that crosses the aortic arch to end in the left brachiocephalic vein.
- Left superior pulmonary veinVena pulmonalis sinistra superiorThe vein bringing oxygenated blood from the upper lobe and lingula of the left lung to the left atrium.
- Left ventricleVentriculus sinisterThe thick-walled lower left chamber of the heart that pumps oxygenated blood out through the aortic valve to the whole body.
- Levatores breves costarumThe levatores breves costarum are small fan-shaped muscles at the back of the thorax, each running from a vertebra to the rib just below.
- Levatores longi costarumThe levatores longi costarum are slender slips beside the thoracic spine that pass from a vertebra over one rib to the next.
- Linea albaThe linea alba is the tough fibrous seam running down the middle of the front abdominal wall, from the sternum's xiphoid process to the pubis.
- Lumbar arteriesArteriae lumbalesSegmental arteries of the lower back, usually four pairs, leaving the back of the abdominal aorta opposite the upper lumbar vertebrae.
- Lumbar branch of iliolumbar arteryRamus lumbalis arteriae iliolumbalisThe upper terminal branch of the iliolumbar artery, climbing behind psoas major to supply the lowest lumbar region.
- Lumbar veinsVenae lumbalesSegmental veins of the posterior abdominal wall that run with the lumbar arteries and empty into the inferior vena cava and ascending lumbar veins.