C. difficile is a toxin-producing bacteria that causes antibiotic-associated colitis, which can occur after the antibiotic therapy upsets the balance of good and bad bacteria in your intestinal tract. Besides loose stools, C. difficile infection can cause: 1  Lower abdominal pain and cramping.  Low-grade fever.
The pancreatic islets or islets of Langerhans are the regions of the pancreas that contain its endocrine (i.e., hormone-producing) cells. Discovered in 1869 by German pathological anatomist Paul Langerhans, the pancreatic islets constitute approximately 1-2% of the pancreas's mass and receive 10-15% of its blood flow.here are about one million islets distributed throughout the pancreas of a healthy adult human, :914 each of which measures about 0.2 mm in diameter.
1. islets of Langerhans-cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones. islands of Langerhans, isles of Langerhans. ductless gland, endocrine gland, endocrine-any of the glands of the endocrine system that secrete hormones directly into the bloodstream.sÂ·lets of LangÂ·erÂ·hans. pl.n. Irregular clusters of endocrine cells scattered throughout the tissue of the pancreas that secrete insulin and glucagon. Also called islands of Langerhans.