X. The Organs of the Senses and the Common Integument. 1e. Peripheral Terminations of Nerves of General Sensations. ... (1304 words) |
 | Free nerve-endings occur chiefly in the epidermis and in the epithelium covering certain mucous membranes; they are well seen also in the stratified squamous epithelium of the cornea, and are also found in the root-sheaths and papillæ of the hairs, and around the bodies of the sudoriferous glands. |
 | After a time the fiber loses its neurolemma, and consists only of an axis-cylinder, which can be seen, in preparations stained with chloride of gold, to be made up of fine varicose fibrillæ. |
 | Finally, the axis-cylinder breaks up into its constituent fibrillæ which often present regular varicosities and anastomose with one another, and end in small knobs or disks between the epithelial cells. |