A rhizome is the part of the hop plant that grows beneath. the surface. It is the heart of the root system of the. vine and stores and transfers food from the root. system. A hop rhizome looks like a grape vine or. stick, and is used to start new hops plants.
Definition of Cystic fibrosis. Cystic fibrosis: A common grave genetic disease that affects the exocrine glands and is characterized by the production of abnormal secretions, leading to mucus buildup that impairs the pancreas and, secondarily, the intestine. Mucus buildup in lungs can impair respiration.
Understanding What Causes Cystic Fibrosis. The cause of cystic fibrosis (CF) is a defect in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This gene makes a protein that controls the movement of salt and water in and out of the cells in your body.he cause of cystic fibrosis (CF) is a defect in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene.