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).
Under the weather
Colloquial expression for sick or ill as, for example, to be under the weather with the flu. The phrase 'under the weather' came from British sailing ships. When a sailor became ill he was confined below deck out of the weather, so it was…
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Show more- Word deafness See: Auditory aphasia
- Akinetic Without movement (or without much movement). A term used in neurology to denote the absence (or poverty) of…
- Thyroid stimulating hormone A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Sociopath A term once used for someone with what is now called antisocial personality disorder
- Hereditary mixed polyposis syndrome (HMPS) A cancer family syndrome characterized by the development of a variety of different types of polyps in…
- ACE2 (angiotensin converting enzyme 2) An essential regulator of heart function. Also may be involved in the embryonic development of the heart. The…
- Calcification The process of building bone by suffusing tissues with calcium salts. Also called ossification
- Sub- Prefix meaning meaning under, below, less than normal, secondary, less than fully. As in subacute, subaortic…
- Normotensive Having normal blood pressure. See also: Hypertensive; Hypotensive
- Hydrops fetalis Gross edema (swelling), usually with anemia, of the fetus. It can be due to Rh blood group incompatibility…
- Gynecologic oncologist Oncologist: A physician who specializes in cancers of the female reproductive organs. The training to become…
- Bone cancer Bone cancer: A malignancy in bone. Primary bone cancer, one that begins in bone, is uncommon but it is not…