Fig. 1From: Computed tomographic findings and treatment of a bull with pituitary gland abscessCerebrospinal fluid. Cytological smear of cerebrospinal fluid from a Holstein–Friesian bull with abscess of the diencephalon. There is severe mixed-cell pleocytosis with neutrophils (1), lymphocytes (2), eosinophils (3) and monocytes (4)Back to article page