Epidural (adjective)

Relating to the space outside the dura mater of the spinal cord, especially in relation to administration of anesthesia.

Origin:

Early 20th century: from epi- 'outside' + dural, denoting the dura mater, the outermost of the three membranes covering the brain and spinal cord.

Examples:

1. An epidural is a type of regional anesthesia that is often used during childbirth.
2. Epidural anesthesia is administered through a small catheter placed in the lower back.
3. The epidural block provides pain relief without loss of consciousness.
4. Epidural anesthesia can also be used for certain types of surgery, such as a caesarean section.
5. The epidural space is a potential site for the spread of infections and other complications.