NEM 



278 



NER 



nemathecium, n., ri&m'a-the'shi- 

 tim (Gr. nema, a thread ; theke, 

 a chest, a sac), in bot., a case 

 containing threads, as in some 

 species of Sphserococcus. 



nematocysts, n. plu., riem-atf-6- 

 sists (Gr. nema, thread ; Icustis, a 

 bag), in zool., the thread cells of 

 the Coelenterata. 



Nematoidea, n. plu., riem'at-dyd'- 

 e-d (Gr. nema, thread ; eidos, 

 resemblance), an Order of Scole- 

 cida comprising the thread- 

 worms, vinegar eels, etc. : nem- 

 atoid, a., nem'at-dyd, long and 

 slender ; 'thread - like : nemato- 

 phores, n. plu., nZm-at'-d'forz 

 (Gr. phoreo, I carry), in zool., 

 csecal processes on the coenosarc 

 of certain of the Sertularida, con- 

 taining numerous thread-cells at 

 their extremities. 



Nemese, n. plu., nem'e*e (Gr. 

 nema, thread), in bot., a name 

 applied to cryptogams in allu- 

 sion to their germination by a 

 protruded thread, without cotyl- 

 edons : nemean, a., nZm-e'dn, 

 lengthened like a thread. 



Nemertida, n. plu., nem-ert'-td-a 

 (Gr. nem&rtes, unerring, true), a 

 division of the Turbellarian worms, 

 usually called * Ribbon- Worms. ' 



NepenthacesB, n. plu., ne'-pentli-af* 

 se-e (Gr. nepenthes, a flower, 

 supposed name for opium from 

 ne, not ; penthos, grief, sadness), 

 the Pitcher plant family, an 

 Order of plants, having alternate 

 leaves slightly sheathing at the 

 <base, and having a foliaceous 

 petiole which forms an ascidium 

 at its extremity, with the lamina 

 in the form of a lid : Nepenthes, 

 n., ne-penth'ez, a genus of the 

 plants : Nepenthes Wardii, ward'- 

 I'l (after Ward, a botanist), a 

 species found in the Seychelles at a 

 height of 2500 feet : N.Kennedy- 

 ana, ken>n^d f 'i'dn'a (after Ken- 

 nedy, a botanist), a tropical 

 Australian species. 



Nephelium, n., ri&f-el'-i-um (Gr. 



nephelion, L. rieplietium, a plant, 

 the burdock), a genus of plants, 

 Ord. Sapindacese, so named from 

 the fruit having a resemblance to 

 the heads of a burdock : Neph- 

 elium longan, Idng'-gan (native 

 name), and N. litchi, tttshti 

 (native name), species in China 

 producing excellent fruit, named 

 respectively Longan and Litchi ; 

 the kernel of the Longan powdered 

 is sometimes made into paper. 



nephria, n., nef'ri-a (Gr. nephros, 

 a 'kidney), Bright's disease of the 

 kidney: nephritic, a., rief-rit'-ilc 

 pert, to the kidneys; affected with 

 disease of the kidneys, or relieving 

 the disease: n., a medicine for the 

 cure of disease of the kidneys : 

 nephritis, n. , nef-rU'is, inflamma- 

 tion of the kidney: nephralgia, n., 

 nef-ralf-z-a (Gr. algos, pain), pain 

 in the kidney: nephroid, a., rief* 

 royd (Gr. eidos, resemblance), re- 

 sembling a kidney in form or 

 structure. 



Nerium, n., ner'i-ttm (Gr. neros, 

 humid, moist), a genus of plants, 

 Ord. Apocynaceae : Nerium ole- 

 ander, ol'Z-and'er (It. oleandro, 

 a corruption of rhododendron), 

 the common oleander, a poisonous 



Elant in all its parts ; the rose 

 turel, or S. Sea rose : N. odorum, 

 dd-or^um (L. odorus, sweet smel- 

 ling from odor, smell), a species 

 whose leaves, and bark of the root, 

 are applied externally in India as 

 powerful repellents. 

 nervation, n., nerv-d'-shtin (L. 

 nervus, a nerve), in bot., the 

 character or disposition of the 

 nerves of a leaf or other folia- 

 ceous appendage : nerve, n. , nerv, 

 in anat., one of the network of 

 grey fibrous cords which are 

 carried from the brain as their 

 centre to all parts of the body, 

 forming the organs of sensation 

 and impressions ; in bot. , one of 

 the fibrous bundles of the com- 

 bined vascular and cellular tissue 

 ramifying through leaves, etc., 



