交こう感かん神しん経けい系けい

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Meanings

1

noun

sympathetic nervous system

anatomy

Anatomical term for the part of the autonomic nervous system responsible for the 'fight or flight' response.

交mingle, mixing, association

感emotion, feeling, sensation

神gods, mind, soul

経sutra, longitude, pass thru

系lineage, system

副ふく交こう感かん神しん経けい系けい
The parasympathetic nervous system, which promotes 'rest and digest' functions, often contrasted with the sympathetic nervous system.
自じ律りつ神しん経けい系けい
The autonomic nervous system as a whole, of which the sympathetic nervous system is a part.

Compound of 交感 (sympathetic, interaction) + 神経 (nerve) + 系 (system). The term is a direct translation of the Western medical concept.