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Carnegie Stage Section
T-4 spinal ganglion, amnion on surface of umbilical cord, auricle of left atrium, central tendon of diaphragm, horizontal fissure, left atrium, left ventricle, liver prominence, middle lobe of right lung, pericardial cavity, pericardial sac, peritoneal cavity, pleural cavity, primary bronchus, rib 5, right atrium, right ventricle, trapezius muscle, umbilical coelom, umbilical cord, umbilical vesicle stalk, upper lobe of right lung, upper secondary bronchus
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Carnegie Embryo #4090   |   Location: 17-1

Keywords: T-4 spinal ganglion, amnion on surface of umbilical cord, auricle of left atrium, central tendon of diaphragm, horizontal fissure, left atrium, left ventricle, liver prominence, middle lobe of right lung, pericardial cavity, pericardial sac, peritoneal cavity, pleural cavity, primary bronchus, rib 5, right atrium, right ventricle, trapezius muscle, umbilical coelom, umbilical cord, umbilical vesicle stalk, upper lobe of right lung, upper secondary bronchus

Source: The Virtual Human Embryo.