A pine is a coniferous trees in the genus Pinus, in the family Pinaceae. There are about 115 species of pines worldwide, although different authorities accept between 105 and 125 species.
1 The superior gluteal nerve and the nerve to quadratus femoris/inferior gemellus share the same nerve roots (L4, L5 and S1).  Similarly, the inferior gluteal nerve and the nerve to obturator internus/superior gemellus also share the same nerve roots (L5, S1 and S2).
The Inferior Mesenteric Artery. The inferior mesenteric artery (IMA) is a major branch of the abdominal aorta. It supplies arterial blood to the organs of the hindgut â the distal 1/3 of the transverse colon, splenic flexure, descending colon, sigmoid colon and rectum. In this article, we shall look at the anatomy of the inferior mesenteric artery â its anatomical position, major branches and clinical correlations.