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.
Stellium. A stellium is defined as a group of several planets in a single sign of the zodiac or a single house. In the example to the right the native has a stellium of four planets in Leo, consisting of Jupiter, the Sun, Mercury and Saturn. This cluster of planets leads to an emphasis on that particular sign in the chart. It is possible for there to be more than one stellium in a chart.