cel'lula, gen. and pi. cel'lula

[L. dim. of cella.] Cellule, a minute cell, a small compartment. c. aquif'era, albuminous cell, serous cell, one of the cells of the salivary glands secreting an albuminous fluid, c. co'U, haustrum. c. ethmoid a'lis, ethmoidal cell; one of the air cells of the lateral ma es of the ethmoid bone; they are arranged in three groups, anterior, middle, and posterior, and communicate with the nasal fo e, the cells of the first two with the middle meatus and those of the posterior group with the superior meatus, u. mastoid'ea, mastoid cell, one of numerous small intercommunicating cavities in the mastoid proce of the temporal bone which empty into the mastoid or tympanic antrum, c. mucip'ara, mucous cell. c. pneumat'ica tuba'ria [BNA], tubal air cell, one of several occasional small cavities in the lowe i wall of the Eustachian tube, near the tympanic orifice, communicating with the cavity of the tympanum, u. tympan'ica, tympanic cell, one of numerous groove-like depre ions in the walls of the tympanic cavity, comm i micating with the tubal pneumatic cells.