Health A-Z

Pelvic Inflammatory Disease

Clinical Definition Pelvic inflammatory disease is an infection of the female pelvic region that may involve the fallopian tubes, uterus and ovaries. The disease occurs as a complication of a sexually transmitted infection, commonly caused by the organisms Neisseria gonorrhoeae and chlamydia trachomatis. Pelvic inflammatory disease can lead to the formation of fibrous tissue affecting

Peptic Ulcer

Clinical Definition A peptic ulcer is an ulceration of the alimentary mucosa. It usually develops in the duodenum or the stomach, which are exposed to gastric secretions. An infection with the bacterium Helicobacter pylori is believed to contribute to a large percentage of peptic ulcers. In Our Own Words A peptic ulcer is a lesion


Clinical Definition Periodontitis is chronic inflammation of the periodontal tissue in the mouth due to bacteria. Tissue affected can include the gingiva, bone and root of the tooth. In Our Own Words Periodontitis is a stage of gum disease. When bacteria in plaque start to build up, it causes gingivitis. First the gums become inflamed,

Peripheral Artery Disease

Clinical Definition Peripheral artery disease is a circulatory disorder that causes a narrowing and stiffening of the peripheral arteries. It most often involves the arteries of the pelvis or the lower extremities, compromising blood flow. Complications can include gangrene and critical limb ischemia. Usually, the condition is due to atherosclerosis. Peripheral artery disease increases a

Peripheral Nerve Disease

Clinical Definition Peripheral nerve disease is any one of a group of disorders that causes peripheral neuropathy and interferes with proper nerve cell functioning. Various nerves, such as the sensory, motor and autonomic nerves, may also be involved depending on the disease and the underlying cause. Sensation and muscle functioning may be impacted to varying

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