UNC- 



337 



UNI- 



hooks found on the segments of 

 many Worms ; a hook-like structure 

 found in certain Infusorians ; one 

 of the marginal teeth of Gastropods 

 (zool.}. 



uncus (ting'kus) n. [L. uncus, hook.] 

 The hook-shaped anterior extremity 

 of the hippocampal gyrus (anat.) ; 

 the hooked head of the mastax of 

 Rotifers ; the hook-like process on 

 the dorsal portion of the ninth, or 

 copulatory, abdominal segment of 

 male Lepidoptera (zool.}. 



under-wing, one of the posterior 

 wings of any Insect (zool.}. 



undose (un'dos) a. [L. undosus, 

 billowy.] Having undulating and 

 nearly parallel depressions which 

 run into one another and resemble 

 the ripple-marks on the seashore 

 (zool.}. 



unequally pinnate, odd pinnate, pin- 

 nate with single terminal leaflet (bot.}. 



ungual (ung'gwal) a. [L. unguis, a 

 nail.] Pert, or having a nail or 

 claw ; appl. phalanges bearing claws 

 or nails (zool.}. 



unguiculate (unggwik'ulat) a. [L. 

 unguiculus, a nail.] Clawed ; appl. 

 petals with narrowed stalk-like 

 portion below (bot.}. 



unguis (ung'gwls) n. [L. unguis, 

 claw.] A nail or claw ; the narrow 

 stalk-like portion of some petals 

 (bot.} ; the lacrymal bone (anat.} ; 

 one of the chitinous hooks on the 

 foot of an Insect (zool.}. 



ungula (iing'gula) n. [L. ungula, 

 hoof.] Hoof. 



ungulate (iing'gulat) a. [L. ungula, 

 hoof.] Hoofed. 



unguligrade (unggu'llgrad) a. [L. 

 ungula, hoof; gradus, step.] Walk- 

 ing upon hoofs (zool.}. 



uniaxial (u'niak'sTal) a. [L. units, 

 one ; axis, axis.] With only one 

 axis (biol.}. 



unibranchiate (u'mbrang'kiat) a. [L. 

 unus, one ; Gk. brangchia, gills.] 

 Having one gill (zool.}. 



unlcapsular (u'nikap'sular) a. [L. 

 unus, one ; capsula, case.] Having 

 only one seed-case (bot.}. 



unicellular (G'nTseTular) a. [L. unus, 

 one ; cellula, cell.] Having only 

 one cell, or consisting of only one 

 cell (biol.}. 



unicorn (u'nlkorn) a. [L. unus, one ; 



cornu, horn.] Having a single 



horn-like spine ; appl. various shells, 



etc. (zool.}. 

 unicostate (u'mkos'tat) a. [L. unus, 



one ; costa, rib.] Having a single 



prominent mid-rib, as certain leaves 



(bot.}. 

 unicotyledonous (u'nikotile'donus) a. 



[L. unus, one ; Gk. kotyle, leaf.] 



Having a single cotyledon (bot.}. 

 unicuspid (u'mkus'pid) a. [L. unus, 



one ; cuspis, point of a spear.] 



Having one tapering point, as a 



tooth (zool.}. 

 unidactyl (u'nidak'til) a. [L. unus, 



one ; Gk. daktylos, finger.] Having 



one digit only (zool.}. 

 uniembryonate (u'nigm'brionat) a. 



[L. unus, one ; Gk. embryon, a 



foetus.] Having one embryo only 



(bot.}. 

 unifacial (u'mfa'shal) a. [L. unus, 



one ; fades, the face.] Having one 



face or chief surface (zool.}. 

 uniflagellate (u'niflaj'elat) a. [L. 



unus, one ; flagellum, whip.] Hav- 

 ing only one flagellum (zool.}. 

 uninorous (u'nlflo'rus) a. [L. unus, 



one ; ftos, flower.] Bearing only 



one flower (bot.}. 

 unifoliate (u'nlfo'llat) a. [L. unus, 



one ; folium^ leaf.] With only one 



leaf (bot.}. 

 unifoliolate (u'nifo'llolat) a. [L. unus, 



one ; foliolum, dim. of folium, leaf.] 



Having one leaflet only (bot.} 

 unijugate (Q'nTjoog'at) a. [L. unus, 



one ; jugum^ yoke.] Appl. pinnate 



leaf having one pair of leaflets 



(bot.}. 

 unilabiate (u'nila'biat) a. [L. unus, 



one ; labium, lip.] With one lip 



only (bot., zool.}. 

 unilamlnate (u'nllam'inat) a. [L. 



unus, one ; lamina, layer.] Having 



one layer only ; appl. tissues (bot., 



zool.}. 

 unilateral (u'nilat'eral) a. [L. unus, 



one ; latus, side.] Arranged on 



one side only (bot., zool.}. 

 unilocular (Q'nilok'ular) a. [L. unus, 



one ; loculus, dim. of locus, place.] 



One-celled ; having one division 



only ; appl. ovaries (bot.}. 

 unimucronate (u'nimu'kronat) a. [L. 



unus, one ; mucro, sharp point.] 

 Y 



