What is "ectasia"

Ectasia \Ec*ta"si*a\, n. [NL. See Ectasis.] (Med.) A dilatation of a hollow organ or of a canal. [1913 Webster] ||

n. (context medicine English) ectasis

n. dilatation or distension of a hollow organ [syn: ectasis]

Ectasia , also called ectasis , is dilation or distention of a tubular structure, either normal or pathophysiologic, but usually the latter (except in atelectasis, where absence of ectasis is the problem).