2. (Anat.) A muscle that dilates any part.
[1913 Webster]
3. (Med.) An instrument for expanding a part; as, a urethral dilator. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Dilator — is a medical term with a number of uses, including: A surgical instrument or medical implement used to induce dilation, that is, to expand an opening or passage such as the cervix, urethra, esophagus, or vaginal introitus. A pharmacological… … Wikipedia
dilator — [dī′lāt΄ər; dī lāt′ər, dəlāt′ər] n. a person or thing that dilates; specif., a) any muscle that dilates a part of the body b) a surgical instrument for dilating an opening, wound, etc … English World dictionary
Dilator — A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which food passes from the throat to the stomach (esophagus) can require a dilator procedure in order to open the esophagus for adequate passage… … Medical dictionary
dilator — bron·cho·dilator; pu·pil·lo·dilator; vaso·dilator; dilator; … English syllables
dilator — n. 1) an instrument used to enlarge a body opening or cavity. For example, the male urethra may become narrowed by disease and it can sometimes be restored to its original size by inserting a dilator. Dilators (such as Hegar s dilator) are also… … The new mediacal dictionary
dilator — noun 1》 (also dilator muscle) Anatomy a muscle whose contraction dilates an organ or aperture, such as the pupil of the eye. 2》 a surgical instrument for dilating a tube or cavity in the body. 3》 a vasodilatory drug … English new terms dictionary
Dilator naris muscle — Muscles of the head, face, and neck. Latin pars alaris musculi nasalis Gray s … Wikipedia
dilator naris muscle — dilator muscle of naris pars alaris musculi nasalis … Medical dictionary
dilator muscle of pupil — dilator pupillae muscle musculus dilatator pupillae … Medical dictionary
dilator muscle — ▪ anatomy any of the muscles (muscle) that widen a body part. In humans, the dilator muscle of the iris contains fibres that extend radially through the iris of the eye (eye, human) and involuntarily contract as available light decreases,… … Universalium
