NAS- 



204 



NEC- 



nose ; cilia, eyelashes.] Appl. nasal 

 nerve off which the ciliary nerves 

 branch (anat.). 



nasofrontal (na'zofrun'tal) a. [L. 

 nasus, nose ; frons, forehead.] 

 AppL part of the superior oph- 

 thalmic vein in nose and forehead 

 region (anat.). 



nasolabial (na'zola'bial) a. [L. nasus, 

 nose ; labium, lip.] Pert, nose and 

 lip ; appl. muscle (anat.). 

 nasolacrimal (na'zolak'rimal) a. [L. 

 nasus, nose ; lacrima, tear.] Appl. 

 a duct from the lacrimal sac to the 

 meatus of the nose (anat.). 

 nasomaxillary (na'zomaksTrari) a. 

 [L. nasus, nose ; mairilla, jaw.] 

 Pert, nose and jaw (anat.). 

 nasooptic (na'zoop'tlk) a. [L. nasus, 

 nose ; Gk. optikos, relating to sight.] 

 Appl. a furrow, an embryonic groove 

 between nasal and maxillary pro- 

 cesses (smb.). 



nasopalatal (na'zopal'atal) a. [L. 

 nasus, nose ; palatus, palate.] 

 Appl. a canal between the nose 

 and palate (anat.). 



nasopalatine (na'zopal'atin) a. [L. 

 nasus, nose ; palatus, palate.] Pert. 

 nose and palate (anat.). 



nasopharyngeal (na'zofarin'jeal) a. 

 [L. nasus, nose ; Gk. pharyngx, 

 gullet.] Pert, the nose and 

 pharynx (anat.). 



nasopharynx (na'zofar'mgks) n. [L. 

 nasus, nose ; Gk. pharyngx, gullet.] 

 That part of pharynx continuous 

 with posterior nares (anat.). 



nasoturbinal (na'zotur'binal) a. [L. 

 nasus, nose ; turbo, wheel.] Appl. 

 outgrowths from the lateral wall of 

 the nasal cavity increasing the area 

 of sensory surface (zool.). 



nasus (na'zus) n. [L. nasus, nose.] 

 The nose ; the clypeus of an in- 

 sect's head (zool.). 



natal (na'tal) a [L. nates, buttocks.] 

 Connected with the buttocks 

 (anat.). 



natant (na'tant) a. [L. natare, to 

 swim.] Floating on the surface of 

 water (zool., bot.). 



natatorial (na'tato'rial) a. [L. natare, 

 to swim.] Formed or adapted for 

 swimming (zool.). 



natatory (na'tatorl) a. See natatorial 



nates' (na'tfcz) n. plu. [L. nates, but- 



tocks.] Buttocks (anat.) ; umbones 

 (zool.). 



native (na'tiv) a. [L. gnatus, born.] 

 Appl. animals and plants which 

 originated in the district or area 

 in which they live, not those im- 

 ported thereinto (biol.). 



natural selection, the processes 

 occurring in nature resulting in 

 the survival of the fittest and the 

 elimination of the individuals less 

 adapted to their surroundings (biol.). 



nauplius (no'plius) n. [L. nauplius, 

 a shell-fish.] The earliest larval 

 stage of entomostracan Crustaceans 

 (zool.). 



nautillform (notil'iform) a. [L. 

 nautilus, nautilus ; forma, shape.] 

 Shaped like a nautilus shell (zool.). 



navel (na'vgl) n. [A.S. nafele, navel.] 

 Place of attachment of the um- 

 bilical cord (emb.). 



navicular (navik'ular) a. [L. navis, 

 ship.] Boat-shaped. 



naviculare (navlk'ulare) n. [L. navis, 

 ship.] The scaphoid radiale of the 

 mammalian carpus (anat.). 



nebenkern (na'bgnkgrn) n. [Ger. 

 neben, near ; kern, kernel.] An 

 extra-nuclear chromatinic body in 

 the spermatia (cyt.). 



nebenk8rper (na'benker'pSr) n. [Ger. 

 neben, near ; korper, body.] A body 

 surrounded by oil-drops at the 

 hinder pole of Pyrodinium, perhaps 

 the seat of luminosity (zool.). 



necrogenous (nekroj'eniis) a. [Gk. 

 nekros, dead ; genos, offspring.] 

 Living or developing in dead bodies 

 (zool.). 



necrophagous (nSkrof'agus) a. [Gk. 

 nekros, dead ; phagein, to eat.] 

 Feeding on dead bodies (zool.). 



necrophilous (nekrof'Ilus) a. [Gk. 

 nekros, dead ; philein, to love.] 

 Feeding on dead bodies (zool.). 



nectar (ngk'tar) n. [G\a.nektar, nectar.] 

 The sweet substance secreted by 

 special glands, the nectaries, in 

 flowers (bot.). 

 nectar gland, see nectary. 



nectar guides, the series of markings 

 on the petals of flowers, pointing 

 apparently to the easiest way to 

 reach the nectar, and at the same 

 time ensuring that the insect visitor 

 will cause cross-fertilization (biol.). 



