disease causes dysfunction of exocrine gland cystic fibrosis disease specific cell type 2010-02-16T10:12:13Z BTO:0004534 BrendaTissueOBO CF disease specific cell type Cystic fibrosis affects the exocrine glands and is characterized by the production of abnormal secretions, leading to mucous build-up. This accumulation of mucus can impair the pancreas and, secondarily, the intestine. Mucous build-up in lungs tends progressively to impair respiration. mgr