GLOSSARY OF SCIENTIFIC AND TECHNICAL TERMS. 575 



Contorted — Twisted. 



Contusion — A bruise ; the act of beating or braising. 



Corrosive — Having the power of gradually eating or wearing away. 



Cranial— Pertaining to the skull. 



Crucial — Like a cross. 



Crural — Of, or belonging to the leg. 



Cul-de-sac — A passage closed at one end. 



Cutaneous — Pertaining to the skin. 



Cuticle — The outer or scarf skin. 



Ctst — A small bladder or bag. 



Decoction — A fluid impregnated with any substance by boiling. 



Deglutition — The act of swallowing. 



Degenerate — To grow worse or inferior. 



Decarbonize — To free from carbon. 



Deleterious — Destructive, injurious, poisonous. 



Depletion — Emptying ; diminishing the quantity contained. 



Dermal — Belonging to the skin. 



Dbssicate — To make dry. 



Detergent — Cleansing. 



Diabetes — An inordinate flow of urine. 



Diagnosis — The distinction of one disease from another. 



Diaphoretic — Increasing the flow of perspiration. 



Diaphragm — The midriflF, or membranous and muscular partition which divides 



the thorax, or chest, from the abdomen. 

 Diarrhea — An excessive discharge from the bowels. 

 Disinfect — To purify from infection. 

 Diuretic — Increasing the flow of urine. 

 Dorsal — Pertaining to the back. 

 Drastic — Acting powerfully. 



Duct — A tube or vessel for conveying a fluid, especially a secretion from a gland. 

 Duodenum — The first portion of the small intestine. 

 Dysphagia — Difficulty of swallowing. 

 Dtspngsa — Difficulty of breathing. 



Ecchtmosis — An efi'usion of blood nnder the skin; a bruise. 



Ejection — A casting out. 



Elastic — Having the property of springing back to its original form after this 

 has been altered. 



Emetic — Producing the act of vomiting. 



Emollient — Softening or relaxing. 



Enema — A medicine injected into the lower bowel. 



Enteric — Belonging to the bowels. 



Epiglottis — A tongue-shaped projection lying over the entrance of the wind- 

 pipe, and preventing the entrance of food or drink. 



Eruption — A breaking forth ; a rash on the skin. 



