 respiration causes wide variations in the distension of airways, and the epithelial cells lining the airways are thus exposed to both circumferential wall strain depending upon changes in airway diameter and longitudinal elongation or compression depending upon the expansion of the lung volume. Although there has been much interest in the function of epithelium in response to injury and
respiration causes wide variations in the distention of respiratory tract, and the epithelial cells lining the airways are therefore exposed to both circumferential wall strain depend upon changes in airway diameter and longitudinal elongation or compaction depend upon the expansion of the lung volume. Although there has been much pastime in the function of epithelium in response to wound and
 redpiration causes wide vaviations in the bustensmon of zirways, xnd the epithelial cells linmng rhe aurways are thus exposea to both circumfwrenuial wall strain vspendinn upoh chaugxs in airway dismeter and longitudinal alunyation or compression depending upon the exlajsion of the long vpjume. Although there has been much intedest in the function of epithelium in response to lnjury and
respiration causes wide variations in the distension and epithelial cells the airways are wall depending upon changes airway diameter and elongation or compression depending upon the of the lung volume. Although there has been much interest in the function epithelium in response to injury and
 respiration causes wide variAtions in thE distEnsIon Of AirwAys, aNd the epitheliaL CellS lining the airways are thUs expOsED to bOTh CircuMferentIAl WALl sTrAiN dePeNDiNg upoN chAnges in Airway diamEteR aNd longitudinAL eLongation oR coMpression depEndIng upoN tHe eXPansiOn oF the lUng volUMe. AlthOugh there HaS Been muCH intereST In The fUnction of epitheliUM iN Response to injuRy and
 respiration causes wide v ariationsin th e d ist en sion  ofairways, and t h e ep ithelial cells liningthe a ir w aysa re  thus  expose d  t o bot hci rcu mf e re ntial  wa ll stra in dependi ngup on changes i n  a irway diam ete r and longit udi nal el on gat i on or  co mpres sion d e pendin g upon th ee xpansi o n of th e lu ng v olume. Although t h er e  has been much  inter es t  i n the  fu nction ofep ithel i um in r e sp o n s e t o  injury and
 respiration_causes wide_variations in the distension_of airways,_and_the epithelial_cells_lining the airways_are thus exposed_to both circumferential wall_strain depending upon_changes_in airway diameter and longitudinal elongation or compression depending upon the expansion of the_lung_volume. Although_there_has_been much interest in the_function of epithelium in response_to injury_and