He, however, added new dimensions in application of the principle of non-alignment in international relations. As such, the pursuit of non-alignment was in the national self-interest of India. National Self-Interest. Jawaharlal Nehru was a universalist.
Located in the main shaft of a long bone (diaphysis) (consisting mostly of compact bone), the medullary cavity has walls composed of spongy bone (cancellous bone) and is lined with a thin, vascular membrane (endosteum).
The medulla can be thought of as being in two parts: 1  an upper open part or superior part where the dorsal surface of the medulla is formed by the fourth ventricle. 2  a lower closed part or inferior part where the fourth ventricle has narrowed at the obex in the caudal medulla, and surrounds part of the central canal.