Steroid ring system: The parent ABCD steroid ring system (hydrocarbon framework) is shown with IUPAC-approved ring lettering and atom numbering. A steroid is an organic compound with four rings arranged in a specific configuration.Examples include the dietary lipid cholesterol, the sex hormones estradiol and testosterone and the anti-inflammatory drug dexamethasone.teroid ring system: The parent ABCD steroid ring system (hydrocarbon framework) is shown with IUPAC-approved ring lettering and atom numbering. A steroid is an organic compound with four rings arranged in a specific configuration.
Adj. 1. intramural-carried on within the bounds of an institution or community; most of the students participated actively in the college's intramural sports program. extramural-carried on outside the bounds of an institution or community; extramural sports. Translations.
(Redirected from Intrathecal). Intrathecal administration is a route of administration for drugs via an injection into the spinal canal, more specifically into the subarachnoid space so that it reaches the cerebrospinal fluid (CSF) and is useful in spinal anaesthesia, chemotherapy, or pain management applications.or example, intrathecal immunoglobulin production is production of antibodies in the spinal cord. The abbreviation IT is best not used; instead, intrathecal is spelled out to avoid medical mistakes.