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Sexual dimorphism is described in the dentritic field pattern of Golgi-stained neurons
from the dorsomedial preoptic area of adult golden hamsters (Mesocricetus auratus).
Data were obtained through a mathematical reconstruction of dentritic densities of
neurons sampled from this area in males and females. Males tended to have a central
concentration, while females showed an irregular dendritic density distribution with
concentrations dorsolateral, ventral and medial to the area of highest dentriic density
in the males. These results suggest sex differences in the afferent inputs to neurons
in the dorsomedial preoptic area which may be related to functional sexual dimorphism
in physiology and behavior.