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).
Hemoglobin normal values
Hemoglobin is the oxygen-carrying pigment in the blood, the predominant protein in the red blood cells. In the routine laboratory test for hemoglobin (Hb), it is usually measured as total hemoglobin and the result is expressed as the…
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Show more- Toxic multinodular goiter Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess…
- Otitis Inflammation of the ear. Depending upon which part of the ear is inflammed, there is otitis externa, otitis…
- Malformation, arteriovenous An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the…
- EOG Electro-oculography. A type of electrophysiologic retinal testing
- Carbuncles A skin abscess, a collection of pus that forms inside the body. Antibiotics are often not very helpful in…
- Belly button The navel or umbilicus. The one-time site of attachment of the umbilical cord. The term 'belly button' was…
- Plague, Great The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Corticosteroid allergy A delayed allergic reaction to corticosteroid (drugs similar to cortisone). This occurs in 1-4% of people who…
- WHS Wolf-Hirschhorn syndrome
- Calorie A unit of food energy. In nutrition terms, the word calorie is used instead of the more precise scientific…
- Temporal lobe epilepsy See: Epilepsy, temporal-lobe
- LUL Acronym for the left upper lobe (of the lung). The left lung has but two lobes. The other lobe is naturally…