Health Terms Sitemap - Page 1 2016-09-26

Bruxism Definition and Characterization
Learn about bruxism, the medical term for grinding your teeth during sleep or unconsciously during stressful situations.

Embolism definition and characterization
Embolism refers to the occlusion of a blood vessel by an embolus (mass) that moves down the bloodstream and gets lodged in a blood vessel. Learn more.

Enlarged prostate definition and characterization
A common urinary tract disorder for men over age 60, an enlarged prostate presses against the urethra and can block the flow of urine from the bladder.

Fetal Alcohol Syndrome Definition and Characterization
Fetal alcohol syndrome is a collection of congenital defects caused by exposure of the fetus to alcohol during pregnancy. Learn more about this syndrome.

Food poisoning definition and characterization
Food poisoning is the term used to describe an acute illness caused by ingesting contaminated food. The causative agent in food is usually bacteria, parasites or viruses.

Gangrene definition and characterization
Gangrene is the death of tissue in part of the body because it has lost its blood supply as the result of injury, infection or other causes.

Gastroenterology definition and characterization
Gastroenterology is study of the normal function and diseases of the esophagus, colon, rectum, pancreas, gallbladder, bile ducts and liver.

Graves' disease definition and characterization
Graves' disease is a syndrome in which the person has a thyroid gland that produces excessive amounts of thyroid hormone. Graves' disease is a type of hyperthyrodism.

Hashimoto's Disease - Definition and Characteristics
Hashimoto's disease, or chronic thyroiditis, is a common thyroid gland disorder triggered by an autoimmune reaction against the thyroid gland.

Heat stroke definition and characterization
Heat stroke is the most severe of three types of heat emergencies, also including heat cramps and heat exhaustion. Heat stroke can cause shock, brain damage, organ failure and death. Fever, irrational behavior and confusion are common.

Hematuria Definition and Characterization
Hematuria, or blood in the urine, indicates that red blood cells are present. Even if you cannot see blood, you might have microscopic blood in your urine.

What Is A Hernia And What Causes It?
A hernia is a sac that develops when an abdominal organ, usually the small intestine, protrudes through the abdominal wall.

Overview of Kawasaki Disease in Children
Kawasaki disease is a rare childhood disease that occurs when the walls of arteries, veins and capillaries become inflamed.

A Basic Guide to Solar Lentigines (Liver Spots)
Learn about liver spots, also known as age spots, or solar lentigines, benign lesions that appear on the sun-exposed areas of your body.

Lymphoma Causes, Symptoms, Diagnosis and Treatment
Learn about lymphoma, a cancer of the lymph system, part of the body's immune system, which occurs when lymphocytes become malignant and multiply.

What Is Morning Sickness? How Can I Treat It?
Morning sickness is characterized by episodes of nausea and vomiting that occur during pregnancy. Learn about what causes it and how to ease your symptoms.

What Is The Cause Of Painful Intercourse?
Painful intercourse, or dyspareunia, may be the result of gynecologic problems or emotional issues relating to relationship problems or anxiety.

Peripheral Nerve Disease Also Known As Peripheral Neuropathy
Peripheral nerve disease, also known as peripheral neuropathy, occurs when nerve cells become damaged.

Causes, Symptoms, and Treatment of Acute Renal Failure
Acute renal failure is the rapid loss of function of your kidneys. Fluids, minerals, and toxins will build-up in your body, which can be fatal.

Abdominoplasty definition and characterization
Abdominoplasty is an elective procedure to remove excess fat and abdominal skin while tightening weakened or separated stomach muscles.

Acetylsalicylic Acid definition and characterization
Acetylsalicylic acid, also known as aspirin, is classified as a non-steroidal anti-inflammatory pharmaceutical agent. It contains salicylic acid, the active metabolite that inhibits prostaglandins.

Celiac disease definition and characterization
Celiac disease is a digestive, autoimmune disorder characterized by intolerance to gluten, a protein found in wheat products and other foods.

Claustrophobia Definition and Characterization
Claustrophobia is a persistent, irrational fear of enclosed spaces and, like other phobias, can result in panic attacks.

Congestion definition and characterization
Congestion is an excessive accumulation of bodily fluids, such as mucus or blood, in an organ, vessel or body part.

Diarrhea Definition and Characterization
Diarrhea is the frequent discharge of loose bowel movements consisting of semisolid or fluid fecal matter. Diarrhea has many potential causes and may be acute or chronic.

Ductal carcinoma in situ definition and characterization
Ductal carcinoma in situ, or DCIS, is non-invasive or pre-invasive breast cancer.

Dyslexia definition and characterization
Dyslexia is a neurologically based learning disorder, which impairs comprehension and processing of written language

Hemorrhoids Definition and Characterization
Learn about hemorrhoids. Hemorrhoids may develop outside of the external anal sphincter or inside the anal canal.

What Is a Grand Mal Seizure?
Learn about grand mal seizure, a generalized seizure involving both sides of the brain and loss of consciousness.

Aneurysm Definition and Characterization
Learn about aneurysm, an abnormal dilation, ballooning or bulging of the wall of an artery. It develops at a site of weakness.

Dermatitis Definition and Characterization
Dermatitis is an umbrella term that describes an epidermal inflammation that can manifest as a range of skin irritations and rashes, from mild to severe.

AIDS Definition and Characterization
Acquired immune deficiency syndrome, most commonly called AIDS, is a serious infection caused by the human immunodeficiency virus or HIV.

Human Papilloma Virus (HPV)
Human papilloma virus (HPV) is a common infection caused by the papovaviridae family of viruses. There are many types of human papilloma viruses.

Basics of Type 2 Diabetes Mellitus
Read about the meaning of Type 2 diabetes and find out who is more likely to be a candidate​ for this endocrine disease.

Asthma Definition and Characterization
Asthma is a chronic inflammatory disease of the lungs characterized by increased airway reactivity in response to certain stimuli.

Kallmann Syndrome Definition and Characterization
Kallman syndrome is a rare genetic condition that causes delayed or absent puberty and an impaired sense of smell.

Encephalitis Definition and Characterization
Encephalitis is a severe irritation and inflammation of the brain, often due to infection. The infection is often viral, such as the herpes simplex virus.

Overview of Hysterectomy
A hysterectomy is the surgical removal of the uterus. A hysterectomy ends the menstrual cycle and the ability to become pregnant.

Borderline personality disorder definition and characterization
Borderline personality disorder, or BPD, is considered a serious mental illness. It's one of a group of conditions under the umbrella term of personality disorders.

Bacterial Infection Definition and Common Examples
A bacterial infection is an illness due to pathogenic bacteria that gain entrance to the body through various means, including the digestive system.

Angioedema Definition and Characterization
Angioedema is a non-pitting edema that affects the dermis and subcutaneous layers, most often involving the tongue, lips, face and throat, but also less commonly the genitalia and viscera.

A Basic Guide to Jock Itch Infection
Jock itch is a ringworm fungal infection much like athlete's foot that affects the groin area. Learn about its causes, symptoms, and treatment.

Pleura definition and characterization
The pleura is the serous membrane, which lines the walls of the pulmonary cavities and lungs. It is composed of a single layer of mesothelial cells.

Pulmonary embolism definition and characterization
​A pulmonary embolism is a blockage in the lungs’ main artery. It is usually caused by detached fragments from a thrombus in another part of the body.

Corticosteroid definition and characterization
Corticosteroids are synthetic compounds that produce physiological effects similar to the chemicals produced by the human adrenal cortex.

Fibrocystic breast tissue definition and characterization
Fibrocystic breast tissue is a common condition in which breasts have atypically dense tissue, with benign (noncancerous) changes such as fibrosis and cysts.

What Should I Know About Antiretroviral Therapy?
Anti-retroviral therapy, or ART, is treatment with drugs that hampers the ability of the human immunodeficiency virus (HIV) or other types of retroviruses to replicate in the body.

Benign prostatic hyperplasia definition and characterization
Benign prostatic hyperplasia or BPH is a condition marked by a non-cancerous proliferation of cells, both smooth muscle and epithelial, in the prostate gland's transition zone.

Bipolar Disorder 101: Defining the Signs of Psychiatric Conditions
Bipolar disorder is a mental disorder characterized by pathological mood swings from mania to depression. Learn what treatments are available.

Carcinogen definition and characterization
A carcinogen is an agent or substance that may damage cellular DNA or alter cell metabolism, and, in so doing, potentially lead to the development of cancer.

What Makes You More Likely to Develop Cataracts?
Normally, the lens in the eyes are clear or transparent. However, a cataract is an abnormal clouding or opacity of the crystalline lens in the eye. If left untreated, this opacity can lead to a decrease in vision and possibly blindness.

Esophagitis definition and characterization
Esophagitis is a swelling and irritation of the esophagus.

Symptoms and Treatment of Rotavirus
Rotavirus is a highly contagious virus that affects infants and young children under five years of age. Learn more about the risks of the disease.

Trichotillomania, or compulsive hair pulling, is an impulse control disorder that presents as a strong urge to pull out or twist your own hair.

What is Legionnaires' Disease?
Legionnaires' disease is a bacterial infection caused by Legionella pneumophila, a type of bacteria that also causes Pontiac fever. Learn if you're at risk.

Joint sprain definition and characterization
Joint sprain is the stretching or tearing of the connective tissue that connects bone to bone and supports the joints, also known as a ligament. It's often confused with a strain, defined as an injury to a muscle or tendon, the cord of tissue that attaches muscle to bone.

What Is Iron Deficiency?
Iron deficiency is a nutritional deficit, which occurs due to inadequate levels of iron in the body. Iron is an essential nutrient for several functions, such as oxygen binding and transport, muscle oxygen use and neurotransmitter synthesis.

What Is Insomnia? How Can It Be Treated?
Insomnia, or difficulty sleeping, is a common sleep disorder. Those affected may be unable to fall sleep or to stay asleep. Learn more here.

A Definition and Examples of Vitamins
Vitamins are organic nutrients your body needs to function. There are 13 classified vitamins, which fall into two categories: water- or fat-soluble.

Glucose meter definition and characterization
A glucose meter is a device used by people with diabetes at home to test their own blood glucose levels. Readings are often taken several times daily.

- By Category
An index of categories in the

What You Should Know About Xanthoma
Xanthoma is a skin condition in which fatty deposits form beneath the epidermis. These can be indicative of a serious underlying medical condition.

AED machine definition and characterization
An AED machine is a portable medical device that can be used to treat life-threatening arrhythmias, such as pulseless ventricle tachycardia.

Nocturnal polyuria definition and characterization
Nocturnal polyuria is an excessive volume of urination at nighttime. Etiologies include, excessive fluid intake (especially of caffeine or alcohol), congestive heart failure, renal insufficiency, and other conditions.

Kleptomania definition and characterization
Kleptomania is an impulse control disorder, still poorly understood, characterized by repeated failures to resist the impulse to steal.

Fracture definition and characterization
A fracture is a condition in which the alignment of a bone in the skeletal system is broken or disrupted.

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