332 



OUR BODIES AND HOW WE LIVE 



or agent which prevents the devel- 

 opment of bacteria, or prevents 

 the growth of bacteria upon which 

 putrefaction depends. 



An'ti-tox'in (Gr. avri, against, and 

 toxin}. A substance which neu- 

 tralizes the action of the toxins of 

 bacteria. Antitoxins are used in 

 the treatment of certain infectious 

 diseases, as diphtheria. 



An'trum (Gr. Avrpov, a cave). The 

 cavity in the upper jaw. 



Ap'pa-ra'tus. Used to designate 

 collectively organs which perform 

 a certain function. 



Ap-pen'di-ci'tis (Lat. appendix}. 

 Inflammation of the appendix 

 vermiformis of the caecum. 



A'que-ous hu'mor (Lat. aqua, water). 

 The watery fluid occupying the 

 space between the cornea and 

 the crystalline lens of the eye. 



Ar'bor vi'tse (Lat. arbor vitae, tree 

 of life). A name given to the 

 treelike appearance of a section 

 of the cerebellum. 



A-re'o-lar tis'sue (Lat. areola, dim. 

 of area, a piece of open ground). 

 Connective tissue containing small 

 spaces. 



Ar-tic'u-la'tion (Lat. articulus, a 

 joint). The more or less mov- 

 able union of bones, etc. ; a joint. 



A-ryt'e-noid car'ti-lag-es (Gr. apt- 

 Taiva, a ladle). Two small car- 

 tilages of the larynx, resembling 

 the mouth of a pitcher. 



As-phyx'i-a (Gr. d-, without, and 

 ffQtfciv, to pulsate). Suffocation. 

 The suspension of vital phenom- 



ena w r hen the lungs are deprived 



of oxygen. 

 As-sim'i-la'tion (Lat. ad, to, and 



similis, like). The conversion of 



food into living tissue. 

 Az'y-gos (Gr. d-, without, and vy6v, 



a yoke). Applied to parts that 



are single, not in pairs. 



Ba-cillus (Lat. dim. of bacidum, a 

 staff). A microscopic rod-shaped 

 form of bacteria. 



Bac-te'ri-um, pi. bac-te'ri-a (Gr. 

 pa.KT-fipi.ov, a little staff). A 

 microscopic vegetable organism. 



Bac-te'ri-cide (bacterium and Lat. 

 caedere, to kill). An agent that 

 destroys bacteria. 



Blad'der (Saxon blcedre, a blister, 

 a bladder). A bag, or sac, serving 

 as a receptacle of some secreted 

 fluid, as the gall bladder, urinary 

 bladder, etc. 



Bright's dis-ease'. Disease of the 

 kidneys, first described by Dr. 

 Bright, an English physician. 



Cap'il-la-ry (Lat. capillus, hair). A 

 minute vessel, as those that con- 

 nect by a network the arteries 

 and veins. 



Cap'sule (Lat. capsula, a little chest). 

 A receptacle, or bag. 



Car'bon di-ox'ide. A gas produced 

 in the respiration of animals, and 

 in the decay or combustion of 

 organic matter. Often called car- 

 bonic acid gas. 



Car'di-ac or'i-fice (Gr. Kapdia, the 

 heart). The orifice of the 

 stomach, near the heart. 



