exocrine

exocrine Pertaining to the secretion of a substance out of the body through a duct. The exocrine glands include the salivary glands, sweat glands, and glands within the gastrointestinal tract. Exocrine is as opposed to endocrine, which refers to the secretion of a substance (a hormone) within the body through the bloodstream. See also endocrine.

exfoliate

exfoliate 1 To peel off scaly skin spontaneously. For example, the skin exfoliates from the palms and soles in psoriasis, Kawasaki disease, and Reiter syndrome. 2 To deliberately wear away the top layer of skin, as may be done gently by a facial technologist who is applying a topical skin treatment for cosmetic purposes or…

exercise treadmill

exercise treadmill A machine used to obtain a continuous electrocardiogram recording of the heart as a patient performs increasing levels of exercise. An exercise treadmill permits the detection of abnormal heart rhythms (arrhythmias) and provides a screening test for the presence of narrowed arteries to the heart (coronary arteries). Narrowing of these arteries can limit…