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).
A pudendal nerve block targets the pudendal nerve trunk as it enters the lesser sciatic foramen, about 1 cm inferior and medial to the attachment of the sacrospinous ligament to the ischial spine. Here, the nerve is medial to the internal pudendal vessels.