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).
Humerus
The long bone in the arm which extends from the shoulder to the elbow.
Read the definitionRandom terms
Show more- RUQ Abbreviation for the right upper quadrant (quarter). The RUQ of the abdomen contains the liver and the…
- Bloody sputum Coughed up blood or bloody mucus. Bloody sputum can be caused by infection in the lungs and airways, such as…
- Extubate To remove a tube from a hollow organ or passageway, often from the airway. The opposite of extubate is…
- Taphephobia Fear of being buried alive. A phobia is an unreasonable sort of fear that can cause avoidance and panic…
- St. Vitus dance Another name for Sydenham chorea. St. Vitus is the patron saint of epileptics, dancers, and actors
- Nocturnal enuresis Bedwetting at night. From the Greek 'enourin' meaning 'to urinate in.'
- BMI calculation The British Medical Journal. The BMJ states that it "aims to help doctors everywhere practice better medicine…
- Muscle Muscle is the tissue of the body which primarily functions as a source of power. There are three types of…
- Automatic behavior A behavior that is performed without conscious knowledge and that does not appear to be under conscious…
- Abbreviations, prescription A prescription, as is well known, is a physician's order for the preparation and administration of a drug or…
- Blood-brain barrier A protective network of blood vessels and cells that filters blood flowing to the brain.
- U (uracil) A nucleotide base and one member of the A-U (adenine-uracil) base pair in RNA. The other base pair in RNA is…