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.
Medical Definition of CESIUM. : a silver-white soft ductile element of the alkali metal group that is the most electropositive element known and that is used especially in photoelectric cellsâsymbol Cs; see element table. a silver-white soft ductile element of the alkali metal group that is the most electropositive element known and that is used especially in photoelectric cells â see element table.