<unk>  (), also called<unk>  (), is dilation or distention of a tubular structure, either normal or pathophysiologic but usually the latter (except in atelectasis, where absence of<unk>  is the problem).
Ectasia
Leukopenia
Leukostasis
Leukocytosis
Enteropathy
Cytopenia
Osteopenia
Hepatotoxicity