What are seizures Seizures also known as fits, are symptoms of a brain problem caused by rapid and uncoordinated electrical firing in the brain that

What is a lipoma A lipoma is a common benign (not cancer) slow-growing, fatty lump that's most often situated between your skin and the underlying

What is a Jackson-Pratt drain Jackson-Pratt drain also called a JP drain, which is a closed-suction drain that is commonly used as a post-operative drain

What is hypermobility syndrome Hypermobility syndrome or joint hypermobility syndrome is commonly known as hypermobility type Ehlers-Danlos syndrome (hEDS), which is a group of inherited disorders

What is Li-Fraumeni syndrome Li-Fraumeni syndrome is a rare inherited disorder that greatly increases the risk of developing several types of cancer, particularly in children

What is leucovorin Leucovorin also known as Folinic acid, Levofolinic acid or 5-formyltetrahydrofolate (5-formylTHF) is a stable form of folate, which means it is similar to the vitamin

What is leukopenia Leukopenia means a low white blood cell count, which is a decrease in disease-fighting white blood cells (leukocytes) in your blood (<4,000

What is lightheadedness Lightheadedness is a feeling that you are about to faint or "pass out." You may sometimes feel nauseated or vomit when you are

What is levothyroxine Levothyroxine (a thyroid hormone) or levothyroxine sodium, is a thyroid medicine that replaces a hormone normally produced by your thyroid gland to regulate

What is Kartagener syndrome Kartagener syndrome is a type of primary ciliary dyskinesia that is characterized by triad of chronic sinusitis, bronchiectasis, and situs inversus totalis