Epidural-anesthesia
noun
1.
anesthesia produced by the injection of an anesthetic into the lumbar area of the spine in the space between the spinal cord and the dura, which eliminates sensation from the point of insertion downward, used especially in childbirth.
epidural anesthesia n.
Regional anesthesia produced by injection of a local anesthetic into the epidural space of the lumbar or sacral region of the spine.
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epidural block n.
- Epidural hematoma
epidural hematoma n. See extradural hemorrhage.
- Epidural space
epidural space n. The space between the walls and the dura mater of the vertebral canal.
- Epidurography
epidurography ep·i·du·rog·ra·phy (ěp’ĭ-du-rŏg’rə-fē, -dyu-) n. Radiographic visualization of the epidural space following the introduction of a radiopaque contrast medium.
- Epifauna
epifauna (ěp’ə-fô’nə) Benthic animals that live on the surface of a substrate, such as rocks, pilings, marine vegetation, or the sea or lake floor itself. Epifauna may attach themselves to such surfaces or range freely over them, as by crawling or swimming. Mussels, crabs, starfish, and flounder are epifaunal animals. Compare infauna.