dorsal columns


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dorsal columns

; posterior columns tracts of nerve fibres with the spinal cord, forming fasciculus gracilis (carrying sensory impulses from lower limb and foot) and fasciculus cuneatus (carrying sensory impulses from upper limbs)
References in periodicals archive ?
Damage to the dorsal columns results in ipsilateral loss of proprioception and fine touch below the level of the lesion.
Sparing of the dorsal columns was evident from preservation of deep touch, proprioception and vibration sense in all limbs.
12] deficiency are 1) Hematologic: megaloblastic anemia and pancytopenia (leucopenia, thrombocytopenia); 2) Neurologic: paresthesias, peripheral neuropathy, and combined systems disease (demyelination of dorsal columns and corticospinal tract); 3) Psychiatric: irritability; personality change; mild memory impairment, dementia; depression; and psychosis; and 4) Cardiovascular: possible increased risk of myocardial infarction and stroke.