TRU- 



334 



TUB- 



truncate (trung'kat) a. [L. tnuicare, 

 to cut off.] Terminating abruptly, 

 as if the tapering end were cut off 

 (biol.). 



truncus arteriosus, the most an- 

 terior region of the amphibian 

 heart, through which the blood is 

 driven from the ventricle (zool.). 



trunk (trungk') n. [L. truncare, to 

 cut off.] The main stem of a tree 

 (bot.) \ the proboscis of an elephant 

 (zool.}. 



trunk legs, pereiopods of Decapods, 

 thoracic locomotory legs (zool.). 



tryma (tri'ma) n. [Gk. fry ma, a hole.] 

 A one-celled, one-seeded, inde- 

 hiscent fruit with separable rind 

 and two-valved endocarp with 

 spurious dissepiments, as Walnut 

 (hot.}. 



trypanomonad. (trip'anomo'nad) a. 

 [Gk. trypanon, an auger ; monas, 

 a unit.] Appl. a phase in the de- 

 velopment of a Trypanosome while 

 in its invertebrate host ; crithidial 

 (zool.). 



trypanorhynchus (trip'anoring'kus) n. 

 [Gk. trypanon, an auger ; rhyngchos, 

 snout.] A spiniferous protrusible 

 proboscis accompanying each phyll- 

 idium in certain Cestoidea (zool.). 



trypsin (trip'sin) n. [Gk. tryein, to 

 rub down ; pepsis, a digesting.] 

 An enzyme of pancreatic juice ; a 

 similar enzyme of various plants 

 and animals (phys.). 



tubar (tu'bar) a. [L. tuba, a pipe.] 

 Consisting of an arrangement of 

 tubes, or forming a tube, as appl. 

 system and skeleton in Sponges 

 (zool.). 



tubate (tu'bat) a. [L. tuba, a pipe.] 

 Tube-shaped. 



tube (tub) n. [L. tuba, a pipe.] Any 

 tubular structure (anat.) ; a cylin- 

 drical structure, as the protective 

 enveloping case of many animals ; 

 a mollusc siphon (zool.). 



tuber (tu'ber) n. [L. tuber, a knob.] 

 A thickened fleshy underground 

 stem (bot.) ; a rounded protuber- 

 ance (anat.). 



tubercle (tu'berkl) n. [L. tuberculum, 

 a small hump.] A small rounded 

 protuberance(a#a/.);aroot-swelling 

 or nodule (bot.) ; a tuberculum or 

 rib-knob (zool.). 



tuberculate (tuber'kulat) a. [L. 

 tuberculum, a small hump.] Pert., 

 resembling, or having tubercles. 



tuberculose (tubeVkulos) a. [L. 

 tuberculum, a small hump.] Having 

 many tubercles. 



tuberiferous (tu'berif'erus) a. [L. 

 tuber, hump ; ferre, to bear.] Bear- 

 ing or producing tubers (bot.). 



tuberiform (tu'beriform) a. [L. tuber, 

 hump ; forma, shape.] Resembling 

 or shaped like a tuber. 



tuberoia, tuberiform. 



tuberosity (tu'beros'itl) n. [L. tuber, 

 a protuberance.] A rounded 

 eminence on a bone, usually for 

 muscle attachment (anat.). 



tuberous (tu'berus) a. [L. tuber, a 

 hump.] Covered with or having 

 many tubers. 



tubicolous (tubik'olus) a. [L. tubus, 

 a tube ; colere, to inhabit.] In- 

 habiting a tube (zool.). 



tubicorn (tu'bikorn) a. [L. tubus, 

 tube ; cornu, horn.] With hollow 

 horns (zool.). 



tubifacient (tu'blfa'shient, tu'bifas'ient) 

 a. [L. tubus, tube ; faciens, making.] 

 Tube - making as some Worms 

 (zool.). 



tubilingual (tu'billng'gwal) a. [L. 

 tubus, a tube ; lingua, a tongue.] 

 Having a tubular tongue, adapted 

 for sucking (zool.). 



tubiparous (tubip'arus) a. [L. tubus, 

 a tube ; parere, to beget.] Appl. 

 glands secreting tube - forming 

 material (zool.). 



tubulate (tu'bulat) a. [L. tubulus, a 

 small tube.] Tubiform ; tubu- 

 liferous. 



tubule (tu'bul) n. [L. tubulus, a 

 small tube.] Any small hollow, 

 cylindrical structure. 



tubuliferous (tu'bullf'grus) a. [L. 

 tubulus, a small tube ; ferre, to 

 carry.] Having a tubule. 



tubuliflorous (tu'buliflo'riis) a. [L. 

 tubulus, a small tube ; flos, flower.] 

 Having florets with tubular corolla 

 (bot.). 



tubuliform (tu'buliform) a. [L. 

 tubulus, a small tube ; forma, 

 shape.] Tube-shaped ; appl. cer- 

 tain spinning glands (zool.). 



tubulose (tu'bulos) a. [L. tubulus, a 

 small tube.] Having, or com- 



