BIG-HEAD

1. In horses, generally denotes osteodystrophia fibrosa. 2. Gas gangrene infection of tissues of the head, caused by Clostridium novyi in sheep, generally young rams with head wounds. 3. Photosensitization in sheep. 4. An acute malady of young rams caused by the Clostridium novyi, C. Sordellii or, rarely, C. Chauvoei and characterised by a nongaseous, nonhemorrhagic, edematous swelling of the head and neck.

acute-phase protein acute-phase reaction acute porphyria acute post-streptococcal glomerulonephritis acute primary haemorrhagic meningoencephalitis acute promyelocytic leukaemia acute pulmonary alveolitis acute pulmonary eosinophilia (125)