PT - JOURNAL ARTICLE AU - Kamburoff, P. L. TI - Bronchomotor tone and its modification by certain drugs AID - 10.1136/pgmj.52.606.190 DP - 1976 Apr 01 TA - Postgraduate Medical Journal PG - 190--194 VI - 52 IP - 606 4099 - http://pmj.bmj.com/content/52/606/190.short 4100 - http://pmj.bmj.com/content/52/606/190.full SO - Postgrad Med J1976 Apr 01; 52 AB - The bronchial smooth muscle is described and its autonomic innervation discussed. The effect of certain physiological substances on the smooth muscle is discussed and also the consequence of blockade of the alpha receptors of the sympathetic nervous system. Indoramin, a powerful alpha blocker is also antihistaminic and this drug has been used therapeutically in the treatment of some asthmatics. Prostaglandin F2 beta has not yet been applied in human subjects.