神经与内分泌信号传递的比较 Neural transmission Hormonal communication Presynaptic terminal gi ▲1 apparatu Presynaptic Endocrine Target cell membrane Cell Synaptic cleft membrane 44 (20-30nm) ▲ Postsynaptic terminal Postsynaptic Blood vessel 2 membrane 06UDLU boereAusbpc isurus神经与内分泌信号传递的比较