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.
Noun. 1. cystic fibrosis-the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known.fibrocystic disease of the pancreas, mucoviscidosis, pancreatic fibrosis, CF.oun. 1. cystic fibrosis-the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known.