chamber
(chām'bĕr 
)
[Fr. chambre, fr. L. camera, camara, fr. Gr. kamara, vaulted room, vault]
A compartment or closed space.
altitude c.Low-pressure chamber.
anterior c.The space between the cornea and the iris of the eye.
SEE: posterior chamber.
SEE: Boyden chamber.
drip c.A hollow reservoir built into intravenous tubing that collects fluids before they are infused into the patient.
hyperbaric c.An airtight enclosure strong enough to withstand high internal pressure. It is used to expose animals, humans, or an entire surgical team to increased air pressure. SYN: pressure chamber.
SEE: hyperbaric oxygenation.
ionization c.A device used to measure radiation by equating ion production in a gas chamber with the intensity of an electrical charge.
low-pressure c.An enclosure designed to simulate high altitudes by exposing humans or animals to low atmospheric pressure. Such studies are essential for simulated flights into the atmosphere and space. SYN: altitude chamber.
monoplace c.A hyperbaric chamber that supplies an enriched oxygen environment to a single person (or to a small child with a family member or nurse in attendance). It may be used to treat those suspected of severe carbon monoxide exposure.
multiplace c.A hyberbaric chamber that supplies an enriched oxygen environment to several patients who have suffered severe carbon monoxide exposure. All the patients wear their own masks and have their own oxygen supply within the chamber.
operant conditioning c.Skinner box.
posterior c.In the eye, the space between the iris and the lens. It is occupied by the aqueous humor, which circulates from the posterior chamber, through the pupil and into the anterior chamber.
SEE: anterior chamber; eye for illus.
pressure c.Hyperbaric chamber.
pulp c.The central cavity of a tooth. The pulp canal contains arteries, veins, lymphatic vessels, and sensory nerve endings. Anatomically, the pulp chamber can be divided into the body and the pulp horns. Pulp horns correspond to the cusps of the teeth.
SEE: root canal; pulp cavity.
suction control c.The part of a chest tube drainage system that sets the negative pressure applied to the pleural space, facilitating the drainage of gas and fluid.
SEE: under metered-dose inhaler.
vitreous c.The cavity behind the lens in the eye that contains the vitreous humor.
water seal c.The component of a chest tube drainage system that permits the drainage of gas from the patient's pleural space but does not permit that gas to return. It typically holds about 2 cm of sterile water.