NEPHROTOXIX 



377 



NERVE 



Nephrotoxin (nef-ro-toks'-in) [itopoc, kidney; to^ikov, 

 poison]. A cytotoxin found by E. Metchnikoff in the 

 kidney. Cf. Hemotoxin, Hepatotoxin, Leukotoxin, 

 Neurotoxin, Spermatoxin, Trichotoxin. 



Nephrotuberculosis {nef-ro-tu-ber-ku-iy-sis). See 

 Xephrophthisis (Illus. Diet. t. 



Nephroureterectomy \nef-ro-u-re-tur-ek / -to-me) [vto- 

 . the kidney; ovpifri/p, ureter; kKroutj, excision]. 

 The excision of the kidney and whole ureter at one 

 operation. 



Nephrozymase [nef-ro-zi'-mdz). See Nephrozymose 

 (Illus. Diet. i. 



Nephrozymosis (nef-rozi-mo / -zis) [veopoc, the kidney; 

 Ivuij, leaven]. The condition due to or favoring zy- 

 motic disease of the kidney. 



Nephrus nef'-rus) [lfoooc]. The kidney. 



Nephrydrops, Nephrydrosis {nef f -rid-rops, nef-rid- 

 n/-sis) [rcopoc, the kidney; iduo, water]. See Hy- 

 dronephrosis (Illus. Diet.). N., Subcapsular, a 

 large collection of urine between the kidney and its 

 capsule. 



Nephrydrotic (nef-rid-rot'-ik). Relating to nephryd- 

 rosis. 



Neptunea (nup-tu'-ne-ah) [Xeptune, god of the ocean]. 

 A genus of leguminous plants of the tropics. N. 

 oleracea, Lour., the leaves, which are used as food, 

 are diuretic and stomachic. 



Nerianthin, Neriantin (ne-re-an'-tkin, -tin). A crys- 

 talline glucosid obtained from the leaves of Xerium 

 oleander, L. 



Neriin [nef-ri-in). A glucosid found by Schmiedeberg 

 in leaves of Xerium oleander, L., apparently identical 

 with digitalein. It is used as a heart stimulant and 

 tonic. 



Neriodorein (ne-re-o-do* '-re-in). Same as Neriin. 



Neriodorin (ne-re-od / -or-in). Same as Oleandrin. 



Nerium. iSee Illus. Diet, i N. oleander, L., a species 

 of southern Europe and Asia. The leaves and bark 

 are used externally on snake-bites and as an insecticide; 

 internally in epilepsy. An alcoholic extract of the 

 root is recommended in heart disease. Dose, 3 4 gr. 

 (0.05 gm.). 



Nerolin ne'-rol-in). An artificial compound said to be 

 the ether ethyl of .3-naphthol occurring as a white 

 crystalline powder soluble in fixed oils and alcohol and 

 almost insoluble in water. It is used as a substitute 

 for oil of neroli in soap-making. 



Neronian (ne-r^-ne-an) [Nero, an emperor of Rome]. 

 Cruel, brutal ; applied to excessive venesection. 



Nerve, Nervus. (See Illus. Diet.) Nervi acceler- 

 antes cordis. See Fibers, Accelerating. N., Ac- 

 cessispinal, N. accessorii willisii, N., Accessory 

 (of Willis). Sec Spina! Accessory in Table (Illus. 

 Diet. ). N. acusticus, the auditory nerve. N. am- 

 bulatorius, the vagus. Nervi ampullares, branches 

 of the vestibular nerve distributed to the ampullas of 

 the semicircular canals. N., Andersen's. See Tvm- 

 panic (Jacobson's nerve) in Table (Illus. Diet.). N., 

 Arnold's Recurrent, a sensory branch of the ophthal- 

 mic division of the trigeminus that anastomoses with the 

 trochlear nerve and is distributed to the tentorium cere- 

 belli and the posterior part of the falx cerebri. N., 

 Arthral. See Articular in Table 1 Illus. Diet.). N. 

 aschianus, the first cervical nerve. N. auricu- 

 laris posterior superficialis. See Mastoid 1 in 

 Table (Illus. Diet.). N. auricularis profundus, 

 the posterior auricular nerve. N., Axillary. See 

 Circumflex in Table (Illus. Diet.). N., Bell's 

 Respiratory, the long thoracic nerve. N. bigemi- 

 nus, N. biradiatus, the second sacral nerve. N.- 

 bulb. See End-bud and Motorial end-plate (Illus. 

 Diet.). N.-b., Terminal. See Krausis Corpuscles 



(Illus. Diet). N.s, Bulbous, amputation neuro- 

 mata, round growths, which form on the divided ex- 

 tremities of the nerves in the stumps left after amputa- 

 tion. N. coracobrachialis. See Musculocutaneous 

 (of the arm) in Table (Illus. Diet.). N. crotaphiti- 

 cobuccinatorius, the masticatory nerve. N. crura- 

 lis internus, N. cruralis posterior, the obturator 

 nerve. N. cubitalis, the ulnar nerve. N. -cyclone, 

 a nervous crisis, as in tabes. N., Eighth Cranial, 

 N.s, Eighth Pair of. 1. The auditory nerve [Som- 

 merring]. 2. The glossopharyngeal, vagus, and ac- 

 cessory spinal, regarded as one [Willis]. N. -ele- 

 ments, Doctrine of the Individuality of. See under 

 Xeuron. N.s, Eleventh Pair of [Sommerring], N., 

 Eleventh Cranial. See Spinal Accessory in Table 

 (Illus. Diet.). Nervi erigentes, excitor or vasodi- 

 lator nerves of the penis ; derived from the first and 

 second and sometimes from the third sacral nerves. 

 They have their origin in the sexual center of the 

 spinal cord. N., Esodic, an afferent or centripetal 

 nerve. N., Exodic, an efferent or centrifugal nerve. 

 N., External Motor (of the eye). See Abducens in 

 Table (Illus. Diet.). N. facialis tertius, the in- 

 ferior maxillary nerve. N., Femorocutaneous, the 

 external cutaneous nerve of the thigh. N., Femoro- 

 genital. See Genitocrural in Table (Illus. Diet.). 

 N., Fifth, the trigeminal. N. -force (of Cullen). 

 See Force, Animal. N. -force (of Drake). See 

 Xeuricity (Illus. Diet.). N., Fourth, the trochlear 

 nerve. N., Furcal, the fourth lumbar nerve. N., 

 Galen's, a small branch of the superior laryngeal 

 nerve that passes along the posterior surface of the 

 cricoarytenoideus posticus and anastomoses with the 

 ascending branch of the inferior laryngeal nerve. N., 

 Ilioscrotal. See Ilioinguinal in Table (Illus. Diet.). 

 N., Infragluteal. See Gluteal, Inferior, in 1 able 

 (Illus. Diet.). N., Intraoccipital. See Cervical, 

 First (anterior division) in Table (Illus. Diet.). N., 

 Inhibitory, any one the stimulation of which lessens 

 the activity of an organ. N.s, Innominate, the fifth 

 pair of cranial nerves. N.s, Intervertebral, bee 

 N.s, Spinal (Illus. Diet.). N., Ischiadic, the great 

 sciatic nerve. N., Krause's, the ulnar collateral 

 branch of the musculospiral nerve that descends along 

 with the ulnar nerve and enters the lower short fibers 

 of the inner head of the triceps. N. labialis. See 

 Mental in Table (Illus. Diet.). N., Lingual (of 

 the eighth pair). See Glosssopharyngeal in Table 

 (Illus. Diet.). N., Lingual Median, N., Lingual 

 Motor. See Hypoglossal in Table (Illus. Diet.). 

 N. loquens, N. myoglossus, the hypoglossal 

 nerve. N. masticatorius, N., Masticatory, orig- 

 inates chiefly in the motor nucleus in the pons, 

 but receives an accession of fibers from a nucleus lying 

 beneath and lateral to the mesocele. It innervates 

 the muscles of mastication. N., Ninth. I. Of 

 Willis, the hypoglossal nerve. 2. Of Sommerring, 

 the glossopharyngeal nerve. N. oaricus externus, 

 N. oaricus superior. See Nerve, Dorsal (of the 

 penis). N. oaricus inferior, N. oaricus internus. 

 the perineal nerve. N. orbitalis, N. orbitarius, the 

 temporomalar nerve. N. perforans brachii, N. per- 

 forans casserii, the musculocutaneous nerve of the 

 arm. N.. Peroneal, the external popliteal nerve. N., 

 Peroneal, Communicating, a branch of the external 

 popliteal generally uniting with the short saphenous 

 nerve, but at times it extends down the leg to the heel. 

 N. -principle of Cullen. See Force, Animal. N.- 

 process, the axis-cylinder process of a neuron. It is 

 the first outgrowth of the neuroblast. N.. Pudendal, 

 Inferior, a branch of the lesser sciatic nerve distributed 

 to the front and external part of the scrotum and peri- 



