The people's common sense medical adviser in plain English; or, medicine simplified / by R.V. Pierce.

  • Pierce, R. V. (Ray Vaughn), 1840-1914.
Date:
1891
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Licence: Public Domain Mark

Credit: The people's common sense medical adviser in plain English; or, medicine simplified / by R.V. Pierce. Source: Wellcome Collection.

Provider: This material has been provided by the Woodruff Health Sciences Center Library at Emory University, through the Medical Heritage Library. The original may be consulted at the Woodruff Health Sciences Center Library, Emory University.

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    Fig. 60. vast unknown, lifting him above corporeal being, into an atmosphere of spiritual and divine Truth. The Cranial Nerves. From the brain, nerves are given off in pairs, which succeed one another from in front back- wards to the number of twelve. The first pair, the olfactory nerves, are the nerves of the sense of smell. The second pair are the optic, or the nerves of the sense of sight. The third pair are called the motores oculi, the movers of the eye, from the fact that they are distributed to all the muscles of the eye with the exception of two. The fourth pair and the sixth pair each sup- ply one of the muscles of the eye, on each side, the fourth extending to the superior oblique muscle, and the sixth to the external rectus muscle. The nerves of the fifth pair are very large; they are each composed of two bundles of fila- ments, one motor and the other sen- sory, and have, besides, an additional resemblance to a spinal nerve by having a ganglion on each of their sensory roots, and, from the fact Section of the brain and an ideal that they have three chief divisions, view of the pneumogastric nerve „ ., , . . 7 on one side, with its branches, a. are often called the trigeminal, or vertical section of the cerebrum, trifacial, nerves. They are nerves 6. Section of the cerebellum, c. n . . „ .. j Corpus caiiosum. d. Lower sec- of special sense, of sensation, and tion of medulla oblongata. Above of motion. They are the sensitive d, origin of the pneumogastric ■L-Ul i ,1 „„„:,,,« nerve. 1. Pharyngeal branch, f. nerVeS whlch ^PP1? the cranium Superior laryngeal, s. Branches and face, the motor nerves of the to the lungs. I*. Branches to the i £ , • , • ,r /,„,„„„• liver. 5. Branches to the stomach, muscles of mastication, the bucci- nator and the masseter, and their third branches, often called the gustatory, are distributed to the front portion of the tongue, and are two of the