A 16th-century lithotomy<unk> , used to expand the urethra for extraction of urinary stones<unk>  or dilatator 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 (see cervical<unk> , urethra, esophagus, or vaginal introitus. *A pharmacological treatment used to induce dilation, such as cervical dilation, vasodilation, or pupillary dilation. For example, a bronchodilator. *A muscle which causes dilation of a part, for example, the iris<unk>  muscle or the<unk>  naris muscle.
Dilator
Morcellator
Levator ani
Penis extender
Abductor wedge
Azasteroid
Superior oblique muscle
Pelvic floor