MEMORY. 107 



Pyretol'ogy (Gr. imretos, fever, and hgos). — A treatise on 

 fevers. 



Spermatorogy. — A discourse on sj^emi, or the fecundating 

 fluid. 



Spirom'eter (Lat. spiro, to breathe, and Gr. metron, measure). 

 — Any instrument for measuring the quantity of air con- 

 cerned in respiration, and, consequently, the capacity of 

 the lungs. 



Symptomatorogy (Gr. smntoma, a falling or accident, and 

 logos). — The doctrine of symptoms ; that part of the sci- 

 ence of medicine which treats of the symptoms of diseases. 



Syphilization. — Saturation of the system by inoculation with 

 syphilis. 



Tecnol'ogy (Gr. telcnos, a child, and logos, a discourse). — A 

 treatise on children. 



Teratol'ogy (Gr. teras, a prodigy, and logos). — That branch 

 of physiology which treats of mal/ormafions and mon- 

 strosities. 



Therapeutics (Gr. therapentikos, from therajyeuo, to nurse, to 

 cure). — That part of medicine which respects the dis- 

 covery and application of remedies for diseases. That 

 which teaches also the use of diet and of medicines. 



Tocorogy (Gr. tokos, bringing forth, and logos). — The science 

 of obstetrics or midwifery. 



Toxicol'ogy (Gr. toxicon, a poison, and logos). — That branch 

 of medicine which treats of the morbid and deleterious 

 effects of excessive and inordinate doses and quantities of 

 medicines, commonly gvlWqiI poisoning. 



TJronorogy (Gr. ouron, urine, and logos). — That part of medi- 

 cine whicli treats of the urine. 



Vaccina'tioil (Lat. vacca, a cow). — The art or practice of in- 

 oculating persons with the cow-pox. 

 See also under headings Pharmaceutical Preparations 

 and Remedial Agents. 



MEMORY. 



Mnemon'ics (Gr. mnemonikos, belonging to memory). — The 

 art of improving and using the memory. 



Topol'ogy (Gr. fopos, a place, and logos). — The art of assist- 

 ing the memory by associating the object to be remem- 

 bered with some place or building the parts of which are 

 weh known. 



