What is the difference between Ventilation and Respiration? â¢ Ventilation facilitates the process of respiration. Without ventilation, respiration cannot occur. â¢ The ventilation is the movement of air into and out of the lungs whereas the respiration is the exchange of oxygen and carbon dioxide.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Polypoid(adj) like a polyp; having the nature of a polyp, but lacking the tentacles or other parts. 2  Polypoid(adj) resembling a polypus in appearance; having a character like that of a polypus.
What is Colon Polyp? A polyp is a growth that occurs in the colon or other organs. These growths, or fleshy tumors, are shaped like mushrooms or dome-like buttons and occur on the inside lining of the colon. They may be as small as the tip of a pencil or as big as a golf ball.