sense organ. In animals, an organ or part that is sensitive to a stimulus, as of sound, touch, or light. Examples of sense organs include the eye, ear, and nose, as well as the taste buds on the tongue.ar-the sense organ for hearing and equilibrium. organ of hearing-the part of the ear that is responsible for sensations of sound. inner ear, internal ear, labyrinth-a complex system of interconnecting cavities; concerned with hearing and equilibrium.
Arterial Ulcers Arterial ulcers, also referred to as lower extremity ulcers, typically occur in patients who are suffering from artery disease. This type of skin ulcer is typically located on the feet, toes and toenails, where the poorly functioning arteries have trouble circulating blood properly. The base of an arterial ulcer has a brown, yellow, black or gray color, while the surrounding skin often looks red and swollen. Arterial skin ulcers are usually painful, and the pain can be far worse at night.
There are several types of stomach ulcers, each which has different characteristics. In this article, you will find information on each type of stomach ulcer and the risk factors associated with each type. Duodenal Ulcer. The duodenal ulcer is an ulceration of the duodenum, which is the entryway to the small intestine. This type of ulcer is actually the most common ulcer in humans. It is thought that duodenal ulcers are so common because the duodenum contains more powerful digestive enzymes than the stomach.