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.
nucleocapsid [nooâ³kle-o-kapÂ´sid] a unit of viral structure, consisting of a capsid with the enclosed nucleic acid; it is generally inside the cytoplasm. viÂ·riÂ·on (vÄ«'rÄ-on, vir'Ä-on), The complete virus particle that is structurally intact and infectious. nucleocapsid