1. The manubrium is cross-shaped with lancet-shaped lips. 2. The manubrium hangs down from the center of the subrellum. 3. In advanced life the manubrium is occasionally joined to the body by bone. 4. These manubrium are normally 1 to 3 times the height of the umbrella. 5. The manubrium of the cirri; cirri are lacking from around the margin however. 6. The sternal angle is located at the point where the body joins the manubrium . 7. The gonads are located at the radial canals; they do not reach the manubrium . 8. Also, the superior sternopericardial ligament attaches the pericardium to the posterior side of the manubrium . 9. The manubrium of " Liriope tetraphylla " are extend from a long, gastric pendicule. 10. It is given the name " sternocleidomastoid " because it originates at the manubrium of the skull.
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