GLOSSARY OF SCIENTIFIC TERMS. 1257 



Ileum — The lower part of the small intestine. 



Impotence — Inability to iserforni the sexual function. 



Impregnation — The act of rendering, or state of being, pregnant. 



Incision — Cutting into ; a clean cut ; cutting, as in any operation per- 

 formed. 



Incontinence — Inability to retain the natural evacuations. 



Induration — The hardening of a part from the effects of disease. 



Incisors — The front teeth of the jaws. 



Infection — Communicating disease by miasma or emanations from a dis- 

 eased body. 



Influenza — An epidemic disease, causing general depression, with fever. 



Infusion — Liquid produced by steeping an insoluble substance in water, 

 without boiling. 



Ingesta — Food taken into the stomach. 



Inhalation — A drawing into tl 3 lungs ; the inbreathing of medicated or 

 poisonous fumes. 



Inject — To throw in artificially, as from a syringe. 



Injection — Liquid medicine thrown into a natural or artificial cavity. 



Inoculation — The production of disease by virus or matter from a sore, 

 communicated from one animal to another. 



Instinct — Sense, as applied to animals. 



Integument — The covering which invests the body (the skin), or a mem- 

 brane covering any particular part of it. 



Intercostal — Between the ribs. 



Interfering — The cutting of one foot or leg with the other. 



Intermittent — In fevers, a characteristic by which the paroxysms intermit 

 or cease, returning at regular, or nearly regular, intervals. 



Interstices — The minute spaces between the particles of a body. 



Intestines — The bowels. The alimentary canal, leading from the stomach 

 to the anus. 



Invert — To turn about or upside down. 



Invigorators — Strengthening medicines, or agents. 



Iris — The circular membrane of the eye floating in the aqueous humor, 

 and perforated to form the pupil. 



Isomeric — Composed of the same elements in the same proportions, but 

 chemically and physically different. 



Ifisue — A running sore, artificially produced, and kept open to relieve 

 irritation or morbid action in a neighl)oiing i)art. 



Jaundice — A diseased condition resulting from derangement of the 

 liver, and characterized by great lassitude, and by yellowness of the 

 eyes, skin and urine. 



