Trachea to prevent swallowed matter from entering the trachea. In the fourth week of development of the human embryo as the respiratory bud grows, the trachea separates from the foregut through the formation of tracheoesophageal ridges which fuse to form the tracheoesophageal septum and this separates the future trachea from the oesophagus and divides the foregut tube into the laryngotracheal tube. Before the end of the fifth week, the trachea begins to develop from the laryngotracheal tube which develops from the laryngotracheal groove. The first part of the cephalic region of the tube forms the larynx, and the next part forms
The Body of the Dead Christ in the Tomb The Body of the Dead Christ in the Tomb The Body of the Dead Christ in the Tomb is an oil and tempera on limewood painting created by the German artist and printmaker Hans Holbein the Younger between 1520–22. The work shows a life-size, grotesque depiction of the stretched and unnaturally thin body of Jesus Christ lying in his tomb. Holbein shows the dead Son of God after he has suffered the fate of an ordinary human. The painting is especially notable for its dramatic dimensions (30.5 cm x 200 cm), and the fact that Christ's face, hands and feet,