(Hypokalemia) Low Potassium (Hypokalemia) Overview. Potassium is a mineral (electrolyte) in the body. Almost 98% of potassium is found inside the cells. Small changes in the level of potassium that is present outside the cells can have severe effects on the heart, nerves, and muscles.
Triangle eye tattoo: This is the most symbolic of all the triangle tattoos especially with regards to religion. The tattoo is usually made up of a triangle and the All Seeing Eye which is also known as the Eye of God or Eye of Providence.
In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop. The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly correspond to the location and size of the physical pupil because it is magnified by the cornea.iktionary (5.00 / 1 vote) Rate this definition: pupil (Noun). The hole in the middle of the iris of the eye, through which light passes to be focused on the retina.