THE trichomes from the pods of Mucuna pruriens DC, which constitute cowhage, have long been known to cause intense itching, and some pain, when applied to the human skin. Broadbent 1 concluded ...
THE depletion by reserpine of storage in the body of 5-hydroxytryptamine (‘Serotonin’) and of the catechol amines is now well established 1–3. In reserpinized animals the peripheral part of ...