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Carnegie Stage Section
T-4 intercostal nerve, T-4 spinal ganglion, aorta, head of rib 5, heart prominence, horizontal fissure, latissimus dorsi muscle, left horn of sinus venosus, left ventricle, liver prominence, marginal vein, middle lobe of right lung, musculi pectinati, primary bronchus, pulmonary vein(s), rib 5, right atrium, right lobe of liver, right postcardinal vein (azygos vein), serratus anterior muscle, sympathetic trunk, upper lobe of left lung, upper lobe of right lung
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Carnegie Embryo #4430   |   Location: 19-5

Keywords: T-4 intercostal nerve, T-4 spinal ganglion, aorta, head of rib 5, heart prominence, horizontal fissure, latissimus dorsi muscle, left horn of sinus venosus, left ventricle, liver prominence, marginal vein, middle lobe of right lung, musculi pectinati, primary bronchus, pulmonary vein(s), rib 5, right atrium, right lobe of liver, right postcardinal vein (azygos vein), serratus anterior muscle, sympathetic trunk, upper lobe of left lung, upper lobe of right lung

Source: The Virtual Human Embryo.