secretion

(se-kre’shun) κ nere to secrete]. 1. Τ separating various substances Tri ecre'tio, from secer’- unction of blood. 2. Any secreted substance. ‘antilyti§, s., saliva secreted by the submaxillary gland\With nerves intact, as distinguished from that eted when the nerve is divided. external s., one that is discharged upon the external or internal surface of the body. internal 8., a secretion that is not discharged by a duct from the body, but is given off into the blood and lymph, taking an important part in metabolism. Such secretions are furnished by the thyroid, the spleen, the adrenals, the testicles, the pituitary body, etc. paralytic s., secretion from a gland after paralysis or division of its nerve.