air cell


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.

air cell

[′er ‚sel]
(electronics)
A cell in which depolarization at the positive electrode is accomplished chemically by reduction of the oxygen in the air.
(mechanical engineering)
A small auxiliary combustion chamber used to promote turbulence and improve combustion in certain types of diesel engines.
(zoology)
A cavity or receptacle for air such as an alveolus, an air sac in birds, or a dilation of the trachea in insects.
References in periodicals archive ?
Changes in (a) yolk index, (b) yolk pH, (c) moisture content (%) of yolk, and (d) air cell size of different categories of eggs during storage.
Two possible reasons for ZACD's being seen less often are: 1) The number of ZACD may be small as there is a wide variability in the extent of accessory air cell of temporal bone and 2) In panoramic radiograph, radiographic visualization of ZACD is more difficult because there are superimposition of adjacent anatomic structures.
The exceptionally dense mesh of the ACB cushion was essential to ensure convergence given the large deformations of the air cells (Figure 1(b)).
The mastoid air cell system represents a more or less extensive system of interconnecting air filled cavities arising from the walls of the mastoid antrum and walls of the middle ear.
Air cells in the nasal septum are commonly found within the posterior portion of the septum and communicate with the sphenoid sinus, allowing PNS infection to spread to these cells.
006), with the exception of air cell and elastic/VE foam for displacements of 10 (p = 0.
19) Alternatively, they propose that the source of hemorrhage is dehiscence of the bony partition between the petrous apex air cell system and the bone marrow in the anterior temporal bone and clivus.
Middle ear pressure is regulated by three primary mechanisms: (1) gas diffusion through the middle ear mucosa, (2) a pressure buffer of the mastoid air cell system, and (3) gas exchange through the eustachian tube.
They maintained that creation of an aerated mastoid enhances success in patients with poor tubal function or a small mastoid air cell system.
Radiologic studies showed haziness and distortion of the trabecula in the left mastoid air cell, and minimal fibrocalcific pulmonary tuberculosis in both upper lungs.
Carital Air-Float System [R] reactive mattress replacement surfaces feature a patented air cell structure, microprocessor controller and specialty cover.