1. intrathecal - Noun
2. intrathecal - Adjective
intrathecal (not comparable)
(medicine) Delivered into the spinal canal (intrathecal space surrounding the spinal cord), e.g. a spinal anesthesia.
intrathecal (plural intrathecals)
(medicine) An intrathecal injection.
For safety reasons, it is recommended that administration of DURAMORPH (morphine injection) by the epidural or intrathecal routes be limited to the lumbar area. Source: Internet
Time-to-peak plasma concentrations, however, are similar (5-10 min) after either epidural or intrathecal bolus administration of morphine. Source: Internet