NECTARIFEROUS 



841 



NELATOX'S CATHETER 



the bees make honey. It is secreted by certain special- 

 ized organs known as nectar-glands. N. -gland, 

 a gland secreting nectar or honey. N. -spots, N.- 

 guides, Sprengel's name for the contrasted colors 

 often seen in a single flower and so disposed in spots 

 or lines as to suggest that they bear a direct relation 

 to the point where the nectar is secreted, 

 ectariferous (nek-tar-if* '-er-us) [yenrap, nectar ; ferre, 

 to bear]. In biology, honey-bearing, or having a 

 nectary. 



ectarilyma (nek-tar-il-i' -mah) \_nectarium , nectary ; 

 luere, to wash]. In biology, a collection of long hairs 

 found on the inner surface of some flowers, 

 ectary (nek'-tar-e) [yeKTap, nectar : pi. , A'ectaries]. In 

 biology, that part of a flower which secretes nectar, 

 ecteric. See Nekteric. 



ectocalycine (nek-to-kal' -is-iti) [vt/ktoc, swimming ; 

 m/.vz;, a cup]. In biology, resembling or pertaining 

 to a nectocalyx or swimming-bell. 

 ectocalyx (nek-to-ka'-liks) [vtjktoc, swimming ; koj.v^, 

 a cup : //., Xectocalyxes, Nectocalices\ In biology, 

 the swimming-bell or locomotive organ of certain 

 Hydrozoa, which, however modified, may be reduced 

 to a simple type — that of a cup lined by a muscular 

 membrane, by whose contractions the water is expelled, 

 the animal being consequently urged by its reaction 

 in the opposite direction ; a nectophore. 

 ectocyst (nek' -to-sist) [vtjktoc, swimming ; Kvartg, a 

 bag]. Same as Nectosac. 

 Nectophore (nek'-to-for) \vt]kt6c, swimming; <S>epeiv, 

 to bear]. In biology, a swimming-bell, or nectocalyx. 

 ectosac (nek'-to-sak) [vtjktoc, swimming; aduKoq, a 

 bag or sack]. In biology, the interior of the swim- 

 ming-bell ; the nectocyst, or nectophore , of a hydrozoan. 

 ectosome (nek* '-lo-som) [vrfKToq, swimming ; oufia, 

 y]. In biology, the upper locomotor portion of a 

 iphonophorous stock, as distinguished from the sipho- 

 sotne or nutrient portion. 



ectozooid (nek-to-zo / -oid) [vtjkto^, swimming ; £C*ov, 

 animal; eldoc, form]. In biology, the swimming-bell, 

 or nectocalyx, considered as a specialized zooid. 

 ecusia (nek-u* 'se-ah) [vkicvg, corpse]. Poisoning by 

 a dissection-wound. 



ecusin (nek'-u-sin) [vticvc, corpse]. The supposed 

 septic principle in necusia. 



eedham's Bodies or Filaments. The spermato- 

 phoresof the cephalopoda. N.'s Receptacle, a cyst- 

 like annex of the excretory duct of the seminal vesicle 

 of the cephalopoda. 



die (ne'-di) [ME., nedle, needle]. An instrument 

 used in surgery for suturing tissues, ligating vessels, 

 and for other purposes. N., Aneurysm, one with a 

 handle, and with the eye at the point, especially 

 pted for ligating vessels. N., Cataract, one for 

 operating upon the cataractous lens or its capsule. N., 

 Deschamp's, a needle with the eye at the point, and 

 with a handle, for ligating arteries. N., Discission, 

 one for insertion through the cornea, and breaking the 

 capsule and substance of the crystalline lens. N., 

 Exploring, an eyeless needle, grooved to bring awav 

 a few drops of the contents of a cavity, a tumor, or an 

 abscess. N. -forceps, a forceps for seizing needles in 

 surgery. N., Hagedorn's, a flat suture-needle curved 

 on its edge, with the eye perforating the side. N., 

 Hare-lip, one provided with a small canula to be left 

 in situ after withdrawal of the needle. N. -holder, 

 a handle for clasping a needle. Also, an insulated 

 handle for holding the needles employed in certain 

 forms of electro-cautery. N., Hutchinson's, a needle 

 for the ligation of hemorrhoids ; it is fixed on a handle 

 and has the eye at the point. N., Hypodermatic, 



barrel of the hypodermatic syringe. N., Knife, one that 

 has a sharp cutting edge ; it is used in the discission 

 of cataracts. N., Ligature. Synonym of JV., Aneu- 

 rysm. N., Open-eyed, one in which the eye is not 

 completely closed but is in the form of a hook. N.- 

 operation. See Extraction of Cataract. See. also Acu- 

 puncture and Acupressure. N., Spanish. See Spanish 

 Xccdle. N., Startin's Wire, a hollow needle for 

 carrying silver wire. N., Suture, a needle used for 

 suturing. N., Whitehead's Spiral, a spiral needle 

 with a terminal eye for use in staphylorrhaphy. 



Needling (ne'-dling) [ME., nedle, needle]. I. See 

 Extraction of Cataract and Discission. 2. A proced- 

 ure sometimes employed for the detection of calculi 

 in the biliary passages, gall-bladder, and kidney. 



Neef's Hammer. An automatic arrangement for 

 opening and breaking the current in an inductorium. 



Neelsen's Carbolic-acid Solution. See Stains, 

 Table of. 



Neftgil (neff-jil). A solid paraffin found free in Baku. 



Negative (neg' -at-iv) [negare, to deny]. A qualification 

 the opposite of positive ; not affirmative. N. Chemo- 

 taxis, the absence of the power of attracting leuko- 

 cytes and wandering cells, or their repulsion. See 

 Chemotaxis. N. Ocular. See Ocular. N. Pole, 

 that pole of a galvanic cell connected with the carbon 

 or least oxidizable plate. Also, that pole of an elec- 

 tric generator toward which the assumed electric cur- 

 rent flows. 



Negativism (neg f -at-iv-izm) [negare, to deny]. A 

 symptom observed in some cases of so-called Cata- 

 tonia attonita, in which the patient exhibits no sponta- 

 neous movements, although his muscles spontaneously 

 and powerfully antagonize any passive motion. 



Negro (ne'-gro) [niger, black]. A race of people dis- 

 tinguished mainly by woolly hair, black skin, thick, 

 protruding lips, and flattened nose. The melanochroi 

 of Huxley's classification. Also, an individual of the 

 race. See Mulatto. N. -cachexy, N. -cachexia, 

 N. -lethargy. See African Lethargy and Cachexia. 

 N.-type of Idiocy. See Idiocy, Ethnic. 



Neisser's Method. A method of double-staining of 

 spore-bearing bacilli. Cover-glass preparations are 

 immersed for twenty minutes in fuchsin-anilin-water at 

 8o° or 90 C. , then rinsed in water or alcohol, and 

 counterstained with an aqueous solution of methylene- 

 blue, rinsed in water, dried, and mounted in balsam ; 

 the spores are stained red, other objects blue. N.'s 

 Micrococcus. See Bacteria, Synonymatic Table of. 

 N.'s Oil, a modification of Lang's oil. It consists 

 of mercury, 20 parts ; ethereal tincture of benzoin, 

 5 parts ; liquid vaselin, 40 parts ; it is used by injec- 

 tion in the treatment of syphilis. 



Neisseria (nV -se-re-ah) [after Neisser, a German physi- 

 cian]. A generic term for a group of schizomycetes. 

 The majority are micrococci. They will be found 

 described under Bacteria, Synonymatic Table of. 

 Nekteric (nek-ter'-ik) [i^K'^f, swimming]. In biology, 

 applied by Hoeckel to the voluntarily swimming or- 

 ganisms of the ocean, as distinguished from the 

 drifting or ploteric forms. 

 Nekton (nek'-ton) [vr/KTr/g, swimming]. In biology, 

 the nekteric or actively swimming portion of the or- 

 ganic life of the ocean (plankton), taken as a whole. 

 Nelaton's Catheter, the soft rubber catheter. N.'s 

 Dislocation, a form of dislocation of the ankle-joint 

 in which there is a displacement of the astragalus be- 

 tween the lower extremities of the tibia and fibula. 

 N.'s Fibers, the circular muscular fibers of the 

 rectum. N.'s Line. See Lines, Table of. N.'s 

 Method. See Treatment, Methods of . N.'s Operation. 

 See Operations, Table of. N.'s Probe. See Probe. 



