神経伝達物質: neurotransmitter

intracerebral; intracranial; the inside of the head / (figuratively) the inside of one's mind; within one's mind; mental (of imagined things, etc.)

brain / head / chief, principal

inside, within (physical location) / between, among / while, during, inside or within a span of time / (when used possessively) one's own, my, our

sooner or later / eventually / before long

transmission / notification, communication

accomplish, perform, fulfill

心電図: electrocardiogram

電信, 𫌷, 𮘁: communication by telegraph

role