In a selective nerve root block, a small needle is placed in the foramen alongside the nerve root and the medication is injected. When the nerves in the foramina are irritated or pinched by a bulging disk, narrowed ânerve canalâ or bone spur, the resulting inflammation can cause pain, numbness, or tingling.
The corpus luteum (Latin for yellow body; plural corpora lutea) is a temporary endocrine structure in female mammals that is involved in the production of relatively high levels of progesterone and moderate levels of estradiol and inhibin A.
1. periosteum-a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone.cambium-the inner layer of the periosteum.erâ¢iâ¢osâ¢teâ¢um. the dense, fibrous connective layer of tissue covering all bones except where ligaments attach and on the surfaces of joints. periosteon, n. use of neuter of Greek periosteos periÃ³steos around the. Bones see -, peri -]. osteo`perâ¢iâ²osâ¢te, al`perâ¢iâ²osâ¢te, ous. adj`perâ¢iâ²osâ¢teâ¢al, ly. adv