Discover a world of knowledge at Westonci.ca, where experts and enthusiasts come together to answer your questions. Discover detailed solutions to your questions from a wide network of experts on our comprehensive Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

A 20-year old gardener presents to his family physician for treatment of what he describes as "poison ivy". The patient's hands and arms appear red and are covered with oozing blisters and crusts. What describes the pathogenesis of these skin lesions?