bag

A pouch, sac, or receptacle. [A.S. baelg]

- Ambu b. proprietary name for a self-reinflating b. with nonrebreathing valves to provide positive pressure ventilation during resuscitation with oxygen or air.

- breathing b. a collapsible reservoir from which gases are inhaled and into which gases may be exhaled during general anesthesia or artificial ventilation. SYN: reservoir b..

- colostomy b. a b. worn over a surgically produced connection between the colon and the skin to collect feces.

- Douglas b. a large b. in which expired gas is collected for several minutes to determine oxygen consumption in humans under conditions of actual work. [C.G. Douglas]

- nuclear b. the aggregation of nuclei occurring in the nonstriated center of an intrafusal muscle fiber of a neuromuscular spindle.

- Politzer b. a pear-shaped rubber b. used for forcing air through the auditory tube by the Politzer method.

- reservoir b. SYN: breathing b..

- b. of waters colloquialism for the amniotic sac and contained amniotic fluid.

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buccoaxiogingival

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bag 'bag n a pouched or pendulous bodily part or organ: as

a) UDDER

b) a pendulous outpouching of flabby skin <an aging face with \bags below the eyes>

bag vt, bagged; bag·ging to ventilate the lungs of (a patient) using a hand-squeezed bag attached to a face mask

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(bag) a flexible container; see also pocket, pouch, and sac.