Tidal Volume (approximately 0.5 L in an average young adult man)

Measurement of the amount of weight necessary to propagate a tear after a V has been cut.

A measure of the total amount of usable air available in the lungs following a maximal inspiratory effort (approximately 4.8 L); VC equals the sum of the inspiratory reserve volume, tidal volume, and the expiratory reserve volume. SEE lung volumes.

A strong band of elastic tissue lying within the vocal fold. Vocal ligaments form the medial edge of the rima glottides.

Electromotive force, pressure, or potential expressed in volts.

The bowel twists upon itself occluding the flow; bowel obstruction.

Surgical incision in the vein (e.g. to perform angioplasty).

An agent that renders viruses non-infective.

A subset of HAP; a nosocomial pneumonia that develops in patients after they have been on mechanical ventilator support for ?48 hours.

Degree of pathogenicity (potential of a given microorganism to cause disease in a specific host). The concept includes infectivity, invasiveness, and toxicity.