Di-ar-rhœ´a. [Gr. διαρρεω, diarrheo, to flow through.] A morbidly frequent evacuation of the intestines.
Di-as´to-le. [Gr. διαστελλω, diastello, to put asunder.] The dilatation of the heart and arteries when the blood enters them.
Di-ges´tion. [L. digestio.] The process of dissolving food in the stomach, and preparing it for circulation and nourishment.
Dig-i-to´rum. [L. digitus, a finger.] A term applied to certain muscles of the extremities.
Dor´sal. [L. dorsum, the back.] Pertaining to the back.
Du-o-de´num. [L. duodenus, of twelve fingers’ breadth.] The first portion of the small intestine.
Du´ra Ma´ter. [L. durus, hard, and mater, mother.] The outermost membrane of the brain.
Dys´en-ter-y. [Gr. δυς, dūs, bad, and εντερια, enteria, intestines.] A discharge of blood and mucus from the intestines attended with tenesmus.
Dys-pep´si-a. [Gr. δυς, dūs, bad, and πεπτω, pepto, to digest.] Indigestion, or difficulty of digestion.
En-am´el. [Fr.] The smooth, hard substance which covers the crown or visible part of a tooth.