The most commonly used clostridial vaccination in cattle is the 7-way type which protects against Clostridium chauveoi (blackleg), Clostridium septicum and Clostridium sordelli (malignant edema), Clostridium novyi (black disease), and three types of Clostridium perfringens (enterotoxemia).
Langerhans cell histiocytosis is a disorder in which excess immune system cells called Langerhans cells build up in the body. Langerhans cells, which help regulate the immune system, are normally found throughout the body, especially in the skin, lymph nodes, spleen, lungs, liver, and bone marrow.
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.