capacity /ca·pac·i·ty/ (kah-pas´ĭ-te) the power to hold, retain, or contain, or the ability to absorb; usually expressed numerically as the measure of such ability.
capacity
capacity,
capacity
forced vital capacity (FVC) vital capacity measured when the patient is exhaling with maximal speed and effort.
functional residual capacity the amount of air remaining at the end of normal quiet respiration.
heat capacity the amount of heat required to raise the temperature of a specific quantity of a substance by one degree Celsius. Symbol C.
inspiratory capacity the volume of gas that can be taken into the lungs in a full inhalation, starting from the resting inspiratory position; equal to the tidal volume plus the inspiratory reserve volume.
maximal breathing capacity maximum voluntary ventilation.
thermal capacity heat c.
total lung capacity the amount of gas contained in the lung at the end of a maximal inhalation. 
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Subdivisions of total lung capacity: TLC, total lung capacity; VT, tidal volume; IC, inspiratory capacity; FRC, functional residual capacity; ERV, expiratory reserve volume; VC, vital capacity; RV, residual volume.
virus neutralizing capacity the ability of a serum to inhibit the infectivity of a virus.
vital capacity VC; the volume of gas that can be expelled from the lungs from a position of full inspiration, with no limit to duration of inspiration; equal to inspiratory capacity plus expiratory reserve volume.
ca·pac·i·ty (k -p s  -t )n. 1. The measure of potential cubic contents of a cavity or receptacle; volume. 2. Ability to perform or produce; capability. |
capacity
[kəpas′i·tē]
Etymology: L, capacitas
1 the power or ability to hold, retain, or contain, or the ability to absorb.
2 mental ability to receive, accomplish, endure, or understand. See also capacitance.
3 the volume or potential volume of material (solid, liquid, or gas) that can be held or contained.
capacity,
n legal qualification, competency, power, or fitness.
capacity, functional residual,
n (normal capacity), the volume of gas in the lungs at resting expiratory level.
capacity, iron-binding,
n a measure of the binding capacity of iron in the serum; helps to differentiate the causes of hypoferremia. This capacity tends to increase in iron deficiency and diminishes in chronic diseases and during infection.
capacity, normal,
n See capacity, functional residual.
capacity, total lung (TLC),
n the volume of air in the lungs at the end of maximal inspiration.
capacity, vital (VC),
n the maximum volume of air that can be expired after maximal inspiration.
capacity
the power to hold, retain, or contain, or the ability to absorb; usually expressed numerically as the measure of such ability.
carrying capacity
see carrying capacity.
closing capacity (CC)
the volume of gas in the lungs at the time of airway closure. See also closing volume.
forced vital capacity
the maximal volume of gas that can be exhaled from full inspiration exhaling as forcefully and rapidly as possible. See also pulmonary function tests.
functional residual capacity
the amount of gas remaining at the end of normal quiet respiration.
heat capacity
thermal capacity.
inspiratory capacity
the volume of gas that can be taken into the lungs in a full inspiration, starting from the resting inspiratory position; equal to the tidal volume plus the inspiratory reserve volume.
maximal breathing capacity
maximal voluntary ventilation.
thermal capacity
the amount of heat absorbed by a body in being raised 1°C.
total lung capacity
the amount of gas contained in the lung at the end of a maximal inspiration.
virus neutralizing capacity
the ability of a serum to inhibit the infectivity of a virus.
vital capacity
the volume of gas that can be expelled from the lungs from a position of full inspiration, with no limit to duration of expiration; equal to inspiratory capacity plus expiratory reserve volume.
capacity
Patient rights The capability of a person to function as an autonomous unit. See Testamentary capacity.
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