Signaling in the Nervous System

摘要: Chapter 1 was devoted to giving an account of what a neuron is in itself. Now we come consider how neurons are concerned receiving and signals. In Figure 2.1A the diagram spinal cord partly transverse longitudinal, below there muscle which has stretch receptor or annulospiral ending (cf. A-S 4.1, Section 4.1). When you give brief pull muscle, as when make knee jerk, impulses run up primary afferent fibers from receptors excite nerve cells (the so-called motoneurons) fire out muscles that thus made contract, reflex circuit being indicated by arrows. That jerk. It very simplest central pathway, will be dealing with it 4.