GLOSSARY OF TECHNICAL TERMS 



341 



Spu'tum, pi. puta (Lat. spuere, to 

 spit). Matter which is coughed 

 up from the air passages. 



Sta'pes (Lat. stapes, a stirrup). One 

 of the small bones of the middle 

 ear. 



Ster'il-i-za'tion (Lat. sterilis, bar- 

 ren). The destruction of micro- 

 organisms, especially by heat. 

 Commonly applied to the prepa- 

 ration of milk for infants, and to 

 surgical dressings. 



An agent which causes an increase 

 of activity in the body or in any 

 of its parts without increasing its 

 supply of energy. 



Styptics (Gr. <rri;7rTi/c6s, astringent). 

 Substances that applied locally 

 arrest bleeding. 



Sub-cla'vi-an vein (Lat. sub, under, 

 and clavis, a key). A great vein, 

 so called because it is situated 

 underneath the clavicle, or collar 

 bone. 



Su-pe'ri-or ve'na ca'va (Lat.). The 

 great vein of the upper part of 

 the body. 



Syn-o'vi-a (Gr. afo, with, and Lat. 

 ovum, an egg; a word coined by 

 Paracelsus). The fluid secreted 

 by the synovial membranes, which 

 lubricates the joints; joint oil. It 

 resembles the white of a raw egg. 



Tem'po-ral (Lat. tempera, the tem- 

 ples). Pertaining to the temples. 



Tet'a-nus (Gr. relveiv, to stretch). 

 A disease marked by persistent 

 contractions of all or some of the 



voluntary muscles ; those of the 

 jaw are sometimes solely affected ; 

 it is then termed lockjaw. 



Thy'roid (Gr. 6vpe6s, a shield, and 

 e[5os, form). The largest of the 

 cartilages of the larynx; its pro- 

 jection in front is called " Adam's 

 apple." 



Tis'sue (Fr. tissu, from Lat. texere, 

 to weave). Any substance or 

 texture in the body formed of 

 various elements, such as cells, 

 fibers, blood vessels, etc., inter- 

 woven with each other. 



To-bac'co (Indian tabaco, the tube, 

 or pipe, in which the Indians 

 smoked the plant). A narcotic 

 plant used for smoking and chew- 

 ing, and in snuff. 



Tox'in (Gr. Tot/c6i>, poison). A 

 poison formed by bacteria in 

 both living tissues and dead sub- 

 stances ; a poisonous ptomaine. 



Tra'gus (Gr. rpdyos, a goat). The 

 eminence in front of the opening 

 of the ear ; sometimes hairy, like 

 a goat's beard. 



Tryp'sin (Gr. rptyis, a rubbing). 

 The ferment principle in pancre- 

 atic juice which converts proteid 

 material into peptones. 



Tu'ber-cle (Lat. tuberculum, dim. of 

 tuber, a hump). A pimple, swell- 

 ing, or tumor; the specific lesion 

 produced by the tubercle bacillus. 



Tu-ber/cu-lo'sis (same derivation as 

 " tubercle "). An infectious dis- 

 ease due to the bacillus tuber- 

 culosis. The form of this disease 

 with marked pulmonary symptoms 



