A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
assisted ventilation. Definition: application of mechanically or manually generated positive pressure to gas(es) in or about the airway during inhalation as a means of augmenting the movement of gases into the lungs. Synonym(s): assisted respiration. Search Stedman's Medical Dictionary.
Mechanical ventilation. Assisted ventilation could be defined as the movement of gas into and out of lungs by an external source connected directly to the patient. The external source could be the resuscitation bag, continuous distending pressure device or a mechanical ventilator.