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.
assist-control ventilation. A type of mechanical ventilation with a minimum frequency of respirations determined by ventilator settings. It also permits the patient to initiate ventilation at the same tidal volume or pressure as set on the ventilator. See also: ventilation.