{ } n. [ NL. endosmosis, fr. Gr. 'e`ndon within + &unr_; a thrusting, impulsion, fr. &unr_; to push: cf. F. endosmose. ] (Physics) The transmission of a fluid or gas from without inward in the phenomena, or by the process, of osmose. [ 1913 Webster ]

n. [ Endo- + -scope. ] (Med.) An instrument for examining the interior of the body, consisting of a flexible tube with lenses and optical fibers permitting illumination of the interior site to be inspected, and visualization of the interior site from outside the body; it often has small surgical instruments attached to the end and manipulable from the outside, permitting biopsy or surgery. It is used as a non-invasive or minimally invasive tool for diagnosis or treatment, especially in organs having an external opening such as the rectum, the urethra, and the bladder. [ 1913 Webster +PJC ]