neuron cells - 3d closeup view

nerve fiber nervous neuron astrocytic glial brain telodendria catecholamine neurotransmitter dopamine neural axon serotonin stimulus mitochondrion endorphin noradrenaline oxytocin peptide neuropeptide dendrite golgi apparatus myelin sheath hyponatremia dementia calcium node ranvier receptor adrenaline schwann cell stroke tia hormone alzheimer multiple sclerosis seizures cancer mental synapse electron signal nucleon muscle neurology nucleus impulse electric epilepsy