NELAVAN 842 



Nelavan [nel'-av-ari). See African Lethargy. 



Nematachometer [nem-at-ak-om' '-el-er) [yijfia, thread ; 

 Ta%og, rapidity ; fitrpov, measure]. An instrument for 

 measuring the rapidity of transmission of nervous im- 

 pulses in peripheral nerves. 



Nemathece [nem'-ath-es). Same as Nematheciitm . 



Nemathecium [nem-ath-e' -se-um) \yijua, a thread ; 

 dr/niov, dim. of 6i]KTj, a case or receptacle : //., Nemathe- 

 cia}. In biology, a wart-like growth of tetraspores of 

 the thallus of one of the higher algae [Florideie). 



Nemathelminth [nem-ath-el'-mintfi) [yij/ia, thread; 

 eA/uivg, worm]. Any nematode worm. The Nemath- 

 elminthes (the round- worms, or thread- worms), form a 

 class of Vermes, many of which are endoparasitic. 



Nematilla [nem-at-W -afi) \yf][ia (vr/fiar-), a thread: 

 pi. , Nematilla}. In biology, one of the urticating- 

 organs of a ccelenterate ; a nematophore, or Organa 

 urticantia. 



Nematoblast [nem' ' -at-o-blast) [vf/fia, thread ; /3/WroV, 

 germ]. A spermatoblast. See also Spermatogonia. 



Nematocalyx [nem-at-o-ka'-liks) [yijfia, thread; ku/m^, 

 calyx: pi. , Nematocalyxes, Nematocalices}. In biol- 

 ogy, a hydrozoan calyx containing nematocysts. 



Nematocyst [nem' -at-o-sist) \yfjfia, a thread ; Kvorig, 

 bladder]. In biology, one of the stinging-cells char- 

 acteristic of the Cnidaria; a thread-cell, lasso-cell, 

 snidocell, cnida, nemocyst. 



Nematode {item' - at -oil) [yrjuaTudrig, thread-like]. 

 In biology, filiform, thread-like ; resembling a thread ; 

 it is applied to thread-worms, hair-worms, round- 

 worms, pin-worms. 



Nematodes [nem-at-o r -dez) . Synonym of Nematoidea. 



Nematogen [nem-af -o-jcii) [yr)/ia, thread ; yew/?, pro- 

 ducing]. In biology, the vermiform embryo of a 

 nematode worm. Cf. Rhombogcn. 



Nematoid [nem'-at-oid) [vrjpa, thread; eldog, form]. 

 Same as Nematode. 



Nematoidea [neni-at-oV -de-aJi) [yijua, thread; eldog, 

 like]. Thread-worms; nemathelminths. The most 

 important nematoidea parasitic upon man and the 

 lower animals belong to the following genera, ar- 

 ranged alphabetically : Anguillula, Ankylostoma, 

 Ascaris, Eustrongylus, Filaria, Nematodium, Oxyuris, 

 Strongylus, Trichina, Trichocephalus. See Parasites 

 [Animal'), Table of. 



Nematophore [nem'-at-o-for) [vr///a, a thread ; tyopog, 

 bear]. In biology, a cecal process of the cenosarc of 

 hydrozoans, invested by a continuation of the hard 

 cuticular layer, so as to be quite firm and inflexible, 

 and containing thread-cells. Lendenfeld considers 

 that the expression nematophore should be reserved 

 for the chitinous envelop of the guard-polyp [Macho- 

 polyp) ; a nematilla, or urticating organ. 



Nematozobid [nem-at-u-zo' '-oid) \yfjp.a, thread ; C<poi>, 

 animal; eldog, form]. In biology, one of the sting- 

 ing tentacles of a siphonophore regarded as a zooid. 



Nemocyst [nem'-o-sist). Same as Nematocyst. 



Nemophilous [item-off' -il-us)[yipog, a wooded pasture , 

 <j>iXog, loving]. In biology, fond of or inhabiting the 

 woods ; nemorose. 



Nemorose (nem'-or-oz) \_nenius, a grove]. In biology, 

 growing in groves or woodland. 



Nemours-blue. See Pigments, Conspectus of. 



Neo- [ne'-o-) \yeog, new]. A prefix signifying new. 



Neoarthrosis [ne-o-arth-ro f -sis) [yeog, new; apdpov, 

 a joint]. A new or false joint. 



Neoblastic (ne-o-blas'-tik) \i>eog, new ; fi\aoT6c, a germ]. 

 Originating, or of the nature of, new tissue. 



Neochmosis [ne-ok-mo'-sis) [veoxpdg, new]. A re- 

 lapse or recurrent attack of a disease. 



Neo-Darwinism, Neo-Lamarckism [nc-o-dar'-win- 

 izm, ne-o-lam-ark' '-izm) [yiog, new; Darwin; La- 



NEOTOCOGALACTOZEMIA 





march}. In biology, the doctrines of Darwin and 

 Lamarck concerning evolution as modified by recent 

 advocates. 



Neoembryo [ne-o-em' '-bre-o) [yeog, new ; eu 

 embryo]. In biology, the earliest ciliated stage in 

 the embryonic development of a metazoan. 



Neogala [ne-og' -al-ali) \yeog, new; yaJ.a, milk]. Same 

 as Colostrum. 



Neohymen [ne-o-ki'-men) [yeog, new ; ifii/v, mem- 

 brane]. A new or false membrane. 



Neo-Lamarckism {ne-o-lam-ark' -izm) [yeog, new; 

 Lamarck}. See A T eo- Darwinism. 



Neomembrane (ne-o-mem'-brdn). See Neohymen. 



Neomorphism [ne-o-mor'-fizm) [veog, new ; 



form]. In biology, the development of a new form. 



Neonatus [ne-on-a' -tus) [yeog, new; nattts, born : 

 pi., Neonatorum - }. One newly born. Neonatorum, 

 Melaena. See Helena. Neonatorum, Ophthalmia. 

 See Ophthalmia. Neonatorum, Trismus. See Tris- 

 mus. 



Neonomous (ne-on'-o-mus) [veog, new; vdfiog, law]. 

 In biology, recently specialized or adapted to modified 

 environment. 



Neontology [ne-on-toF -o-je) [yeog, new; wi>, being; 

 2-dyog, science]. In biology, Flourens' term for the 

 study of existing organisms, as opposed to pale •on 

 or the study of fossils. 



Neopathy [ne-op r -ath-e) [veog, new ; wdfiog, illness]. 

 I. A new or newly-discovered form of disease. 2. A 

 recent complication or new condition of disease in a 

 patient. 



Neophilism [ne-off'-il-izni) [veog, new ; <j>i?Jeir, to 

 love]. Morbid or undue love of novelty. 



Neophobia (ne-o-fo' -be-ah) [_veog, new ; <j>d/3og, fear]. 

 Insane dread of new scenes or of novelties. 



Neophrenia [ne-o-fren' -e-ah) [veog, new; <j>ptjv, mind]. 

 Mental deterioration in early youth. 



Neoplasia [ne-o-pla' -ze-ah) [veog, new ; nldooeiv, to 

 mold]. The formation of new tissue or of a tumor. 



Neoplasm, Neoplasma [ne'-o-plazm, ne-o-plaz' -mah) 

 [veog, new; ■KJAaua, growth]. A new growth of tis- 

 sue marked by histologic difference from its matrix ; 

 a tumor. See Tumors, Table of. N., Inflammatory 

 Fungoid. Synonym of Granuloma fungoides. 



Neoplasmatic [ne-o-plaz- mat' -ik) [woe, new ; -) 

 to mold]. Of the nature of neoplasm ; neoplastic. 



Neoplastic [ne-o-plas'-tik) [veog, new ; Tr'/Aaot 

 mold]. Pertaining to, or of the nature of, a neoplasm. 

 Applied, also, to plastic operations for restoring lost 

 tissue. See Autoplasty. 



Neoplasty [ne'-o-plas-te) [veog, new ; ir'Aaaaeiv, to 

 mold]. Ah operation for the restoration of lost tissue. 



Neoscytechos, Neoscytechus [ne-os-kit'-ek-os, 

 kit'-ek-us) [veog , new ; oniiTog, skin ; ?/,xog, echo]. 

 Murmur, Nao Leather, and Bruit de cuir neuf. 



Neosote [ne'-o-sot) [veog, new]. A derivative oi 

 tar having antiseptic properties. 



Neossin [ne-os'-in) [veoaaid, a nest], C 2 .,H 1T I 

 Mulder's term for an insoluble material, the chief com- 

 ponent of the edible birdsnest. 



Neossology [ne-os-ol'-o-Je) [veoocog, a young bird ; 

 ?dyog, science]. In biology, the study of the incuba- 

 tion and rearing of young birds. 



Neotenia [ne-o-te'-nc-ah) [veurepog, an innovation 01 

 revolutionary movement]. In biology, Kollmann's 

 term for the lengthening (for an indefinite time) ol the 

 period during which amphibians are gill-breathers. 



Neotocicterus [ne-ot-o-sik' -ter-us) [vedroaog, new-born; 

 iKTsoog, jaundice]. Icterus neonatorum. 



Neotocogalactozemia [ne-ot-ok-o-gal-ak-to-ze'-me-ak] 

 [ivfif , new; nkoc, birth ; yciTia. milk; fy/ita, loss]. A 

 now of milk from the breast of a new-born child. 



