parasympathetic nervous system

(PAYR-uh-SIM-puh-THEH-tik NER-vus SIS-tem)

The part of the nervous system that slows the heart, dilates blood vessels, decreases pupil size, increases digestive juices, and relaxes muscles in the gastrointestinal tract.

Pronunciation of dictionary term "parasympathetic nervous system"

Pronunciation of dictionary term "sistema nervioso parasimpático"

Parte del sistema nervioso que desacelera el corazón, dilata los vasos sanguíneos, reduce el tamaño de la pupila, aumenta los jugos digestivos y relaja los músculos del aparato digestivo.