MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Bicuspid aortic valve
Whereas the normal aortic valve in the heart has three flaps (cusps) that open and close, a bicuspid valve has only two. There may be no symptoms in childhood, but in time the valve may become stenotic (narrowed), making it harder for…
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Show more- Iodine deficiency Iodine is a natural requirement of our diets. Iodine deficiency can lead to inadequate production of thyroid…
- Obtunded Mentally dulled. A person may be obtunded due to head trauma. To obtund is to dull or blunt. From the Latin…
- Decongestant A drug that shrinks the swollen membranes in the nose and makes it easier to breath. Decongestants can be…
- Colon cancer risk See: Colon cancer family history
- Keratoderma hereditarium mutilans See: Vohwinkel syndrome
- Burn treatment The treatment of burns depends on the depth, area and location of the burn. Burn depth is generally…
- Hereditary ALS See: Familial ALS
- Alpha-linolenic acid An essential fatty acid found in flaxseed oil, canola oil and walnuts. Abbreviated ALA
- Secondary atelectasis Partial or total collapse of a lung or a segment of a lung that was once expanded, as may happen after chest…
- Metabolomics The global analysis of metabolites, small molecules generated in the process of metabolism. See also…
- Diathermy The use of heat to destroy abnormal cells. Also called cauterization or electrodiathermy.
- Cyst, tarsal Also called a chalazion or a Meibomian cyst, an inflammation of the oil gland of the eyelid.