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Carnegie Stage Section
T-3 dorsal primary ramus, T-3 intercostal nerve, T-3 spinal ganglion, T-3 ventral primary ramus, azygos vein, cerebral vesicle (telencephalon), edge of upper lip, forearm, frontal prominence, heart prominence, interventricular foramen, lateral ventricle, left atrium, left ventricle, pericardial cavity, phrenic nerve, primary interatrial septum (septum primum), pulmogenic mesenchyme, radius, right atrium, secondary interatrial foramen (foramen secundum), serratus anterior muscle, subarachnoid space, superior vena cava, sympathetic trunk, upper lobe of left lung, upper lobe of right lung
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Carnegie Embryo #9325   |   Location: 16-3-3

Keywords: T-3 dorsal primary ramus, T-3 intercostal nerve, T-3 spinal ganglion, T-3 ventral primary ramus, azygos vein, cerebral vesicle (telencephalon), edge of upper lip, forearm, frontal prominence, heart prominence, interventricular foramen, lateral ventricle, left atrium, left ventricle, pericardial cavity, phrenic nerve, primary interatrial septum (septum primum), pulmogenic mesenchyme, radius, right atrium, secondary interatrial foramen (foramen secundum), serratus anterior muscle, subarachnoid space, superior vena cava, sympathetic trunk, upper lobe of left lung, upper lobe of right lung

Source: The Virtual Human Embryo.