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.
Definition & Overview. A polyp is a small tissue growth that is often benign (non-cancerous), but in rare cases, may also be malignant (cancerous) as well. Polyps that grow in the cervix are normal. In fact, most women over the age of 20 have cervical polyps although they are more common in women over the age of 40.