释义 |
DictionarySeeplexuspulmonary plexus
pulmonary plexus[′pu̇l·mə‚ner·ē ′plek·səs] (neuroscience) A nerve plexus composed chiefly of vagal fibers situated on the anterior and posterior aspects of the bronchi and accompanying them into the substance of the lung. pulmonary plexus
pul·mo·nar·y plex·us (pul'mŏ-nar-ē plek'sŭs) One of two autonomic plexuses, 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. pulmonary plexusAn autonomic nerve plexus extending from the cardiac plexus into the lungs along the right and left pulmonary arteries. Parasympathetic axons come from the vagus nerves, and sympathetic axons from the sympathetic trunk. Axons from the pulmonary plexus follow the bronchi and the bronchial vessels and provide the autonomic innervation inside the lungs. See also: plexus |