PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

[ stop the slideshow ]


00203229.jpg 00203228Thumbnails0020323100203228Thumbnails0020323100203228Thumbnails0020323100203228Thumbnails0020323100203228Thumbnails00203231

DIAGRAM: BRONCHUS: Asthma: Early phase of an asthma attack, low magnification, lymphocyte; Arrow on Lymphocytes -- Reaction of the airways to an antigen begins within 15 minutes after exposure, when inflammatory lymphokines and IgE-binding factors are secreted from T-lymphocytes. Along with neuropeptides and ATP, they activate t