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).
Prehypertension
A systolic pressure of 120 to 139 mm Hg or a diastolic pressure of between 80 and 89 mm Hg. Prehypertension is a precursor to chronic high blood pressure. Lifestyle changes are therefore recommended for anyone with prehypertension
Read the definitionRandom terms
Show more- Erythroplakia A reddened patch with a velvety surface found in the mouth
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- Placenta accreta The abnormal adherence of the chorionic villi (vascular fingers of the chorion, a part of the placenta) to…
- Benzodiazepines A class of drugs that act as tranquilizers and are commonly used in the treatment of anxiety. Benzodiazepines…
- Grand mal A form of epilepsy characterized by tonic-clonic seizures. involving two phases -- the tonic phase in which…
- Medicine, forensic See: Forensic medicine
- T-cell lymphoma A disease in which cells in the lymphoid system called T cells (or T lymphocytes) become malignant. T-cell…
- STAT Medical term used to imply urgent or rush. It may appear in lower case letters as stat or in capital letters…
- Acute brain syndrome See: Delirium
- Olfactory bulb A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve…
- Fear of closed spaces Fear of closed spaces, of being closed in or being shut in as in elevators, tunnels, or any other small…
- Ossify To make into bone; to convert cartilage or fibrous tissue into bone. The skeleton initially consists mainly…