TOM 



417 



TRA 



tomentum, n., tom-ent'um, in 

 bot., the closely matted hair or 

 downy nap covering the leaves or 

 stems of some plants ; in anat., 

 the minutely-divided vessels on 

 the surface of the brain, having a 

 very flocculent appearance. 



tomiparous, a., tdm-ip'-ar-us (Gr. 

 tome, a cutting ; tomos, a slice ; 

 L. pario, I bring forth), in bot., 

 producing spores by division. 



tone, n., ton (Gr. tonos, a stretch- 

 ing, a tension), the state of the 

 body in regard to the healthy 

 performance of its animal func- 

 tions : tonic, a. , ton'-ik, imparting 

 vigour to the bodily system : n., 

 a medicine or agent which imparts 

 vigour and strength to the body ; 

 a stomachic : tonicity, n., ton-is'- 

 it-i, a state of healthy tension of 

 muscular fibres while at rest. 



tonsils, n. plu., tons'-ils (L. tons- 

 illce, the tonsils of the neck 

 from tonsilis, shorn or clipt), two 

 oblong glands situated on each 

 side of the fauces at the base of 

 the tongue : tonsillitis, n. , tons'-il- 

 lt'-is, inflammation of the tonsils, 

 a form of sore throat : tonsillitic, 

 a., tons'-il-lit'-ik, related to or 

 connected with the tonsils. 



topical, a., top'-ik-al (Gr. topikos, 

 pert, to a place from topos, a 

 place), in med. , pert, to an exter- 

 nal local remedy, as a poultice, 

 a blister, and the like. 



torcular Herophili, tork f -ul-dr her- 

 of-tt'l (L. torcular, a wine-press ; 

 Herophili, of Herftplillus), the 

 wine-press of Herophilus ; the 

 confluence or common point to 

 which the venous sinuses con- 

 verge, which are contained in the 

 several processes or folds of the 

 dura-mater of the brain. 



tormentil, n., tor-ment'-tt (L. tor- 

 mentum, torture, anguish), the 

 root of the Potentilla torment- 

 ilia, Ord. Rosacese, used as an 

 astringent : tormentilla erecta, 

 tor<ment-tt'-la er-Zkt'-a (L. ertctus, 

 raised or set up), a species whose 

 2D 



roots are used in the western isles 

 of Scotland for tanning. 



torref action, n., tor'-r&-fdk'shun 

 (L. torrid, I dry or burn ; fdciti, 

 I make), the operation of chying 

 or scorching by fire, as in roasting 

 or drying drugs. 



Torula, n., tor'-ul-a (L. torulus, a 

 tuft of hair), the yeast plant, a 

 genus of Fungi : torulose, a. , 

 tdr'-ul-6z f , exhibiting a succession 

 of rounded swellings, as in the 

 pods of some cruciferous plants. 



torus, n., tor f -us (L. tdrus, a round 

 swelling, a couch), in bot., the 

 axis on which all the parts of the 

 floral whorls within the calyx are 

 seated ; a thalamus. 



Totipalmatse, n. plu., tot'-i-pal- 

 mat'-e (L. totus, whole ; palma, 

 the palm of the hand), in zool., 

 a group of Wading birds, having 

 the hallux united to the other 

 toes by a membrane in such a 

 manner that the feet are com- 

 pletely webbed. 



tourniquet, n., tdr'm-ket' (F. 

 tourniquet dim. from tourner, 

 to turn), an instrument for the 

 mechanical compression of a 

 vessel for the prevention of 

 haemorrhage. 



toxicology, n., Wks'-ilc-dl'-o-ji (Gr. 

 toxilcon, poison ; logos, discourse), 

 the branch of medical science 

 which relates to poisons, their 

 effects, detection, and antidotes. 



Toxicophlosa, n., m^k-qf-W-a 

 (Gr. toxikon, poison ; phloios, the 

 bark of a tree), a genus of plants 

 generally poisonous, Ord. Apocyn- 

 aceae : Toxicophlcea Thunbergii, 

 tun-berf-i-l (after Thunberg, a 

 botanist), a species whose bark is 

 used to poison fish with at the 

 Cape. 



trabecula, n., trab-Vk'-ul-a, trab- 

 eculae, n. plu. , - ul-e (L. trdbtcula, a 

 little beam or rafter from trabs, a 

 beam), in anat. , numerous fibrous 

 bands proceeding from the inner 

 surface of the corpus cavernosum ; 

 two thick bars presented by the 



