In DRGs of rhesus macaques,nNOS mainly exists in the medium-sized and small-sized neurons,indicating that nitric oxide (NO) may chiefly take part in the modulation of superficial sensation such as the pain,efc.

• 猕猴背根神经节nNOS主要表达在中、小型神经元,提示NO可能主要参与痛觉等浅感觉的传导和调制。