Sensory transduction may be defined as the process by which sensory stimulus are transformed in the body. The receptor cell is mainly involved in the sensory transduction process.
The sensory receptor cell like a light or an odor is converted into the electrical signal by the process of signal transduction. The information is then conveyed to the nervous system in the form of electrical signals.
A polyp is a small clump of cells that form in the colon. Most of the time they are harmless but they could develop to be colon cancer which is the reason the polyp needed to be removed.