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).
Leuk-
Prefix meaning white, as in leukemia. Leuk-and leuko-, the form used before a consonant, come from the Greek 'leukos' meaning white
Read the definitionRandom terms
Show more- Active immunity The production of antibodies against a specific agent by the immune system. Active immunity can be acquired…
- Peanut allergy An allergic reaction to peanuts, the leading cause of anaphylaxis, the most severe and potentially life…
- Cold, summer A popular term for hay fever. Although the symptoms of a 'summer cold' may be similar to those of a real…
- Cast 1) A protective shell of plaster and bandage molded to protect a broken or fractured limb as it heals. 2) An…
- Pelvis The lower part of the abdomen located between the hip bones
- Duchenne-Erb palsy See: Erb palsy
- Anterior The front, as opposed to the posterior. The anterior surface of the heart is toward the breast bone (the…
- Fusion, spinal See: Spinal fusion
- Infant vitamin requirements Vitamins are organic substances that are essential in minute quantities for the proper growth, maintenance…
- Respiratory failure Inability of the lungs to perform their basic task of gas exchange, the transfer of oxygen from inhaled air…
- Athlete foot See: Athlete's foot
- Dysmorphic feature A body characteristic that is abnormally formed. A malformed ear, for example, is a dysmorphic feature…