although there was considerable intraspecific and interspecific variation , mast cells were most numerous within the leptomeninges ( especially in those overlying the cerebrum and the dorsal thalamus - most rodents , most carnivores , chimpanzees , squirrel monkeys and elephant ) , the cerebral cortex ( most rodents , tiger , fox , chimpanzee , tarsier , and elephant ) and in many nuclei of the dorsal thalamus ( most rodents , tiger , lion , and fox ) .
C0039729
dorsal thalamus
C0262315
nuclei of the dorsal thalamus