Anatomy. Designating one of the two great nerve-systems in vertebrates (the other being the cerebro-spinal), consisting of a double chain of…

Anatomy. = sympathetic, adj. 1d.

Physiology. Used attributively, as association area, association centre, association field, association link, association path, association sphere…

Physiology. Designating the part of the nervous system that innervates smooth muscle, cardiac muscle, and glands; of or relating to this.

Of, relating to, or designating one of the two main divisions of the autonomic nervous system, characterized by preganglionic fibres originating in…

= autonomic, adj. 2. rare.

pertaining to the thoracic and lumbar parts of the spine; spec. an epithet of the sympathetic nervous system (see quot. 1948).

in the same sense.

Consisting of, relating to, or involving a nerve and an effector; between a nerve and an effector.

Pertaining to or involving the sympathetic nervous system and the medulla of the adrenal gland, and their activity.