saddle block anesthesia

American

noun

a form of spinal anesthesia that produces loss of sensation in the buttocks, perineum, and inner thighs.

Etymology

Origin of saddle block anesthesia

First recorded in 1945–50; so called because the nerve block caused by the anesthesia affects areas that would be numbed by prolonged contact with a saddle

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023