APPENDIX. 



Abscis'sa (L. ab, off; stindere, to cut). A line forming basis of 

 measurement of graphic records. 



Accel'erans nerve (L. ac- (=ad) ; celerare, to hasten). A 

 nerve passing from spinal cord to heart, which conveys 

 accelerating impulses (reflex) ; also called " Augmentor." 



Accommoda'tion (L. ac- (=ad); commodare, to fit). The ad- 

 justment of the optic mechanism to rays of light from 

 different distances. 



Aceton (acet(ic) + Gr. one, female descendant). A material 

 found in diabetic urine. 



Ach'romatic (Gr. a, not; chroma, colour). Applied to a 

 lens in which the prismatic aberration of refraction is 

 corrected. 



Achromatop'sy (Gr. achrbmatos, colourless ; opsomai (homo) 

 to see). Complete colour-blindness. Inability to appre- 

 ciate any colours but black and white. 



Achro'o'dextrin (Gr. a, not ; chroma, colour ; dexios, on the 

 right). A variety of dextrin, occurring during the con- 

 version of starch and sugar ; it gives no colour reaction 

 with iodine. 



A'cinous glands (L. arinosus, resembling a cluster of grapes). 

 Also called " Acino-tubular, or compound racemose." 



Ade'iomor'phous cells (Gr. adelos, not seen ; morphos, shape). 

 The central or principal cells found in glands at car- 

 diac end of stomach. 



Ad'equate stimulus (L. ad, to ; aquare, to equal). The 

 particular form of stimulus which excites the endings of 

 a nerve of special sense. 



Ad'ipocere (L. adip-em, fat + Fr. tire, L. cera, wax). A fatty 

 material formed by decomposition of proteid matter. 



Adventi'tia, Tunica (L. adventicius, a covering). The ex- 

 ternal coat of an artery or vein. 



