Cf. EXCITER. [f. EXCITE v., on the analogy of motor.] a. = EXCITER. b. An afferent nerve belonging to the spinal division of the nervous system. Also attrib. or as adj.
1816. Jane Austen, Mansfield Park, II. 126. All those fine feelings of which he had hoped to be the excitor, were already given.
1836. M. Hall, Lect. Nervous Syst., 15. The true Spinal Nerves. I. The Excitors. Ibid., 21. The incident excitor nerves, the medulla, and the reflex motor nerves, constitute the system.
1865. Cornh. Mag., XI. 592. It is quite credible that the messenger of death operated through the usual excitors of disease.
1871. Napheys, Prev. & Cure Dis., III. iii. 674. Another excitor is a brush of fine wires.
1874. Carpenter, Ment. Phys., I. ii. § 62 (1879), 63. Other excitor fibres are included in the ordinary nerve-trunks.