Tracheotomy

A hole created through the front of the neck and into the windpipe (trachea). It provides an air passage when the usual route for breathing is obstructed, such as after a…

The process of putting a bone or other body part under a pulling tension by applying weights and pulleys to help healing.

A mineral that is required only in tiny amounts in the diet to maintain health; the principal trace minerals are chromium, copper, selenium, sulfur, and zinc.