They are said to diminish the secretion of the bronchial mucous membrane.
- Syrinx muscles entirely lateral or attached to the dorsal or ventral corners of the bronchial semi-rings.
Expectorants increase the bronchial secretions; antispasmodics relax the spasm of the muscular coat of the bronchial tubes, e.g.
The physiological action of stramonium resembles that of belladonna, except that stramonium relaxes to a greater extent the unstriped muscle of the bronchial tubes; for this reason it is used in asthma to relieve the bronchial spasm.
The name Weissenburg occurs in three other places; the town of Weissenburg-am-Sand in Bavaria; a Swiss invalid resort in the Niedersimmental, above Lake Thun, with sulphate of lime springs, beneficial for bronchial affections; also a Hungarian comitat (Magyar Fejervar), with Stuhlweissenburg as capital.