Lymphedema (lymphoedema in British English), also known as lymphatic obstruction, is a condition of localized fluid retention and tissue swelling caused by a compromised lymphatic system, which normally returns interstitial fluid to the thoracic duct and then the bloodstream.ymphedema (lymphoedema in British English), also known as lymphatic obstruction, is a condition of localized fluid retention and tissue swelling caused by a compromised lymphatic system, which normally returns interstitial fluid to the thoracic duct and then the bloodstream.
1 A polypeptide is a single linear chain of many amino acids, held together by amide bonds. 2  A protein is one or more polypeptide (more than about 50 amino acids long).  An oligopeptide consists of only a few amino acids (between two and twenty).
Rating Newest Oldest. Best Answer: Polypeptides are groups of amino acids. Amino acids are translated mRNA strands. When mRNA gets translated across the ribosome, groups of amino acids attach together to make a polypeptide.Usually polypeptides are thousands of amino acids long.he FIRST time they fold over on itself or to another polypeptide the sequence is then a protein. So the jest of this is: An amino acid is smaller than a polypeptide. A polypeptide is usually smaller than a protein. A protein is the largest (most of the time) and most complex (containing lots of folds and joints).