Objective To observe the distribution and gender differences of oncomodulin( OCM) in the brain of adult mice. Methods Five male and 5 female adult C57 / BL6 mice( 3 months old) were employed in this study. Brain sections of these adult mice were stained by Nickel-intensified immunohistochemistry. Results Immunopositive production of OCM were widely distributed in the brain of both female and male mice. High levels of expression were found in the most areas of the olfactory bulb,cerebral cortex,hippocampus,h...