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Carnegie Stage Section
T-3 intercostal nerve, T-3 spinal ganglion, aortic semilunar valve, auricle of left atrium, auricle of right atrium, caudal edge of hand, central tendon of diaphragm, interventricular sulcus, lateral epicondyle of humerus, left primary bronchus, left ventricle, muscular part of interventricular septum, peritoneal cavity, pleural cavity, rib 4, right primary bronchus, right ventricle, scapula, transverse pericardial sinus, ulna, upper lobe of left lung, upper lobe of right lung
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Carnegie Embryo #4090   |   Location: 15-11

Keywords: T-3 intercostal nerve, T-3 spinal ganglion, aortic semilunar valve, auricle of left atrium, auricle of right atrium, caudal edge of hand, central tendon of diaphragm, interventricular sulcus, lateral epicondyle of humerus, left primary bronchus, left ventricle, muscular part of interventricular septum, peritoneal cavity, pleural cavity, rib 4, right primary bronchus, right ventricle, scapula, transverse pericardial sinus, ulna, upper lobe of left lung, upper lobe of right lung

Source: The Virtual Human Embryo.