The Nervous System, Somatic Sensations, the tactile and Position senses
General Organisation; the tactile and Position senses The somatic senses can be divided into three main components Mechanoreceptors Thermoreceptors Nociception - pain and damage discriminative - precisely localised touch Crude - poorly localised - proprioception - touch, pressure, vibration and the senses of static body position and movement Exterioceptive sensation Visceral sensations Detection and Transmission of Tactile Sensation Even though touch, pressure and vibration are often classified as separate and distinct sensations, they are each detected by the same general class of tactile receptors: the Mechanoreceptors Free nerve endings - skin and in the cornea of the eye Meissner's corpuscule - The tactile corpuscles of Wagner and Meissner (Fig. 936) are oval-shaped bodies. These tactile corpuscles occur in the papillæ of the corium of the hand and foot, the front of the forearm, the skin of the lips,...