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.he 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