MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Hepato-
Prefix or combining form used before a consonant to refer to the liver. From the Greek hepar, liver
Read the definitionRandom terms
Show more- Hemizygous Having only a single copy of a gene instead of the customary two copies. All of the gene on the single X…
- Systemic-onset juvenile rheumatoid arthritis See: Arthritis, systemic-onset juvenile rheumatoid
- Congenital anomaly Something that is unusual or different at birth. A minor anomaly is defined as an unusual anatomic feature…
- Subscapular Under the scapula, like the subscapularis muscle, which originates beneath the scapula.
- Koch's postulates In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Sense In biology and medicine, the faculty of sensory reception. The ability to convey specific types of external…
- Category three hurricane A hurricane with winds 111-130 mph (96-113 kt or 178-209 km/hr). Storm surge generally 9-12 ft above normal…
- Gottron sign A scaly, patchy redness over the knuckles seen in patients with dermatomyositis, an inflammatory muscle…
- Migraine aura Sensory phenomena that may occur before a migraine. Visual auras may include flashing lights, geometric…
- Pressure wound See: Pressure sore
- Cancer, testicular Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Asystole A dire form of cardiac arrest in which the heart stops beating -- there is no systole -- and there is no…