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Definition of Plexus pulmonalis
1. Noun. One of two autonomic nerve plexuses in each lung.
Medical Definition of Plexus pulmonalis
1. One of two autonomic plexus's, anterior and posterior, at the hilus of each lung, formed by cardiopulmonary splanchnic nerves of the sympathetic trunk and bronchial branches of the vagus nerve; from them various branches accompany the bronchi and arteries into the lung. Synonym: plexus pulmonalis. (05 Mar 2000)