Fibrovascular polyp of the esophagus. â Even rarer than the above two, it occurs as a large mass of connective tissue, blood vessels and fat enclosed in a sheath of epithelial cells. It is suspended by a stalk from the wall of the tube discussed. It can be up to 50 cm long and occurs in the upper third of the tube.he polyps are smooth, round and grow from the wall of the esophagus. It is rarely cancerous and can be removed by an endoscopic procedure. Patients mostly donât report symptoms from these. However, some may complain of chest pain and dysphagia.
A simple circuit requires three (3) things: 1  A source of electrical potential difference or voltage. 2  A conductive path which would allow for the movement of charges. 3  An electrical resistance (resistor) which is loosely defined as any object that uses electricity to do work. simple circuit requires three (3) things: 1  A source of electrical potential difference or voltage. 2  A conductive path which would allow for the movement of charges. 3  An electrical resistance (resistor) which is loosely defined as any object that uses electricity to do work.
Sources of energy : a source of energy is that which is capable of providing enough useful. energy at a steady rate over a long period of time. A good source of energy should be : i) Safe and convenient to use, e.g., nuclear energy can be used only by highly trained. engineers with the help of nuclear power plants.