NOD 



874 



NON-IDENTIST 



affected with diseases that may be transmitted to 

 man. 



Nod [ME., nodden, to shake]. I. To drop the head 

 forward with a quick, involuntary motion. 2. The 

 motion so made. 



Nodal {no' -del) [nodus, a node]. Nodated ; pertain- 

 ing to a node. N. Point, the point of intersection 

 of convergent rays of light with the visual axis of the 

 eye. The First N. P. is 6.9685 mm. behind the 

 summit of the cornea. The Second N. P. is 7.3254 

 mm. behind the summit of the cornea, or 0.1254 

 mm. behind the lens. 



Nodated {tto-da' '-ted) [nodus, a node]. Knotted ; hav- 

 ing nodes. 



Nodding {nod'-ing) [ME., nodden, to shake]. 1. The 

 act of inclining the head forward. 2. Having a droop- 

 ing position, as a flower-head. N. Spasm, spasmus 

 nutans ; salaam convulsions. See Eclampsia nutans. 



Node [nod) [nodus, a swelling, or node]. A knot or 

 protuberance ; an oblong, indurated swelling or tumor 

 that forms upon bones in some forms of periostitis and 

 osteitis. Ns., Heberden's, overgrowths of the nat- 

 ural tubercles of the digital phalangeal bones in rheu- 

 matoid arthritis. Ns., Parrot's, bosses of bone on the 

 outer table of the skull, the result of syphilitic perios- 

 titis. Ns., Ranvier's, certain constrictions occurring 

 in the course of medullated nerve-fibers, so that the 

 sheath of Schwann lies upon the axis-cylinder. The 

 part of the nerve between the nodes is called an 

 interannular or internodal segment. See Nerve-fiber. 

 Ns., Schmidt's, a term for the medullated interan- 

 nular segments of a nerve- fiber. N., Syphilitic, the 

 localized swellings on bones due to syphilitic peri- 

 ostitis. 



Nodicorn {nod ' -ik-orn) [nodus, a knot; cornu, a horn]. 

 In biology, having nodose antennae. 



Nodiferous [no-dif'-er-us) [nodus, a node ; ferre, to 

 bear]. In biology, bearing nodes. 



Nodose {no'-doz) [nodus, node]. Characterized by 

 nodes or nodosities ; jointed or swollen at intervals. 



Nodosis {no-do' -sis) [nodus, node]. The condition of 

 having or forming nodes. 



Nodosity {no-dos'-it-e). See Node. N., Bouchard's, 

 a nodose condition of the second joints of the fingers, 

 supposed to be indicative of gastrectasis. See Signs 

 and Symptoms, Table of. 



Nodous {no'-dus) [vuMc, from vq, negative ; orforc, 

 tooth]. Toothless. 



Nodular {nod'-u-lar). Synonym of Nodose. 



Nodule {nod'-ul) [nodulus, dim. of nodus, a node]. 

 A little knot or excrescence ; a tubercle ; in derma- 

 tology, an elevation of the skin varying in size from a 

 split pea to a hazelnut, and due to a cellular infiltration 

 {granuloma of Virchow). N. of Aurantius. See 

 Corpus. N. of Cerebellum, the termination of 

 the inferior vermiform process of the cerebellum 

 situated in front of the uvula. N. of Morgagni. 

 Same as N. of Aurantius. 



Noduliferous {nod-u-lif '-er-us) [nodulus, a little knot ; 

 ferre, to bear]. Having nodules. 



Noduliform {nod-u' -lif-orm) [nodulus, a little knot ; 

 forma, form]. In the form of a nodule. 



Nodulo-dermitis {nod' -u-lo-der-mi' -tis) [nodulus, small 

 node; At- (ma, skin; trie, inflammation]. An inflam- 

 matory nodular skin-affection, such as Madura foot, 

 leprosy, and other skin-diseases. 



Nodulose, Nodulous {nod'-u-loz, nod' -u-lus) [nodulus, 

 a little node]. In biology, having little knobs. 



Nodulus {nod' -u-lus) [L. : pi., Noduli~\. 1. See 

 Nodule. 2. The nodule of the cerebellum. N. hys- 

 tericus. Same as Globus hystericus. Noduli al- 

 bini, a term given to certain small pathologic knots 



occasionally found on the free border of the auriculo- 

 ventricular valves. 



Nodus {no'-dus) [L. : //., AW/]. See Node. 



Noeggerath's Method. See Treatment, Methods of. 



Noematachograph {no-e-mat-ak'-o-graf) [votma. 

 thought ; rax've, swift ; ypatyeiv, to write]. An instru- 

 ment for recording the time of mental operations. 



Noematachometer. Same as Noematachograph, 



Nceud vital {nu{r)d-ve-tahl') [Fr.]. See Center, Res- 

 piratory. 



Noisome {noi'-sum) [ME. , noysome. hurtful]. Hurtful ; 

 noxious. 



Noli-me-tangere {no' : li-me-tan' -jer-e) [L.]. 1. See 

 Rodent Ulcer. 2. Ecballium ofificinarum, the squirt- 

 ing cucumber. 3. Jmpatic7is noli-me-iangere, the 

 touch-me-not, an animal of the Balsam family. 



Noma {no'-mah) [vofirj; ve/ieiv, to eat]. Synonyms: 

 Cancrum oris, Gangracna oris, Gangrenous stomatitis. 

 A grave form of stomatitis, gangrenous in type, and 

 either secondary to ulcerative stomatitis or primary. 

 The process is rapidly progressive, usually fatal, but 

 recovery with great deformity of the face may occur. 

 It is most common between the second and twelfth 

 years. The disease is probably due to microorganisms ; 

 many have been found, but their relations have not 

 been determined. 



Nomarthral {nom-ar' -thral) [vbpoq, law ; apOpov, a 

 joint]. In biology, normally articulated or jointed; 

 the opposite of xenarthral. 



Nome {no' -me). Same as A'oma. 



Nomenclature {no-men' -kla-tur) [nomen, a name; 

 calare, to call]. A systematic application and ar- 

 rangement of the distinctive names employed in any 

 science. Cf. Onym, Onymy. 



Nomogeny {no-moj'-en-e) [vo/ioc, law ; yevi/g, pro- 

 ducing]. In biology, Richard Owen's term for the 

 origin of life through the operation of existing natural 

 law. 



Nomology {no-mol' -o-je) [vopog, law ; Adyoc, science]. 

 In biology, that department of botany devoted to a 

 study of the laws of variation. 



Nomopelmous {nom-o-pel' -mus) [vdfiog, law ; n 

 sole]. In biology, applied to birds having the normal 

 arrangement of the flexor tendons of the foot. Cf. 

 antiopelmous , heteropelmous, schizopelmous, sympel- 

 mous. 



Non- [non, not]. A prefix denoting negation. N. 

 compos mentis [L.]. A legal term denoting an 

 acquired unsoundness of mind, of such character that 

 one is incapable of conducting his own affairs. 



Nona {no'-nah) [L.]. A name given in Italy, Bavaria. 

 and Russia to a supposed new disease, which, hov 

 in all probability is not new, but is typhoid fever with 

 coma, a severe influenza, or a grave form of smallpox. 



Non-access {non-ak'-ses) [non, not ; accessus, an 

 approach]. In medical jurisprudence, the failu 

 cohabit. The reverse of access, q. t. A child horn 

 under such circumstances is a bastard. 



Non-achromatic (non-ak-ro-ma? -ik). See Ob 



Non-adjustable {non-ad-jus' -ta-bl). See Objective. 



Nonan {no'-nan) [nonus, ninth]. Applied to a 

 that has an exacerbation every ninth day. 



Nondecatoic Acid {non-dek-at-o'-ik) [nonus, ninth; 

 6km, ten], C 19 H S8 2 . A monobasic acid, the nine- 

 teenth member of the fatty acid series. 



Non-electric {non-e-lek'-trik) [non, not; f,h 

 amber]. A term applied to those substances thai 

 permit electricity excited in them by friction to 

 escape as fast as it is formed. 



Non-identist {non-i-den' -tist) [non, not ; identicus, tin 

 same]. A designation applied to a person who be 

 lieves in the non-identity of certain diseases, such as 



