propriospinal

pro·pri·o·spi·nal

(prō'prē-ō-spī'năl), Relating especially or wholly to the spinal cord; specifically, denoting those nerve cells and their fibers that connect the different segments of the spinal cord with each other (for example, spinospinalis).

propriospinal

(prō″prē-ō-spī′năl) [″ + spina, thorn] Concerned exclusively with the spinal cord.