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.
Growth=Polyp=Tumor: A growth in the colon, also called a polyp, is a tumor or growth of abnormal tissue. They can be benign (non-cancerous) or cancer. Benign polyps such as adenomas have potential to turn to cancer if they grow a long time.essile = flat: Sessile polyps are flat, which makes it very difficult (but not impossible) to remove. However, they can usually be biopsied to determine if (pre)cancerous or not. This is where the gastroenterologist comes in handy.