Nervous and mental diseases . ghted. A spring instrumentfitted with an index and a scale is also used. Where the extremities arethus tested it is necessary to so support them that no notion of the pres-sure be given by motions communicated to the joints and muscles. The thermic sense can be quickly, though roughly, examined byfirst breathing on a part with the mouth only an inch away and thenblowing upon the same part from a distance of twelve inches. In orderto estimate it more exactly it is best to use test-tubes filled with waterat various known temperatures. Every test requires that consid
Nervous and mental diseases . ghted. A spring instrumentfitted with an index and a scale is also used. Where the extremities arethus tested it is necessary to so support them that no notion of the pres-sure be given by motions communicated to the joints and muscles. The thermic sense can be quickly, though roughly, examined byfirst breathing on a part with the mouth only an inch away and thenblowing upon the same part from a distance of twelve inches. In orderto estimate it more exactly it is best to use test-tubes filled with waterat various known temperatures. Every test requires that considerablesurface come in contact with the skin for a few moments, as the integu- 52 NERVOUS AND 3IENTAL DISEASES. Auriculotemporal 3 V. Great occipital Lacrimal 1 V. Temporomalar 2 V. Small occipital C. P. Great auricular C. P. SupraclavicularC. branchMiddle branch Circumflex B. ral Nerve of Wrisberg B. cutaneousof musculospiralB. P. Internal cutaneousB. P. MusculocutaneousB. P. MedianB. Ulnar B. cutaneous L. P. Branches from externalpopliteal S. P. Musculocutaneous S. P, External saphenous S. tibial S. P. Supra-orbital 1 V. Supratrochlear 1 1 1 V. Infra-orbital 2 3 3 V. Superficial cervical C. P. Sternal branch Anterior branches of intercostal nerves Lateral branches of intercostalnerves Iliohypogastric L. penis of pudic S. L. P. Genitocrural L. cutaneous L. cutaneous L. P. Internal saphenous L. P, Fig. 15.—Cutaneous distribution of nerves (after Flower), SENSOEY CONDITIONS. 5tS Great occipital, posterior branch orsecond cervical Third cervical Posterior branches of spinal nerves Lateral branches of intercostal nerves Iliac branch of ilio-inguinal L. lumbar Inferior hemorrhoidal of pudic S. P. Superficial perineal of pudic andinferior pudendal of smallsciatic S. P. Interior gluteal of small sciatic S. P. Internal cuta
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