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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
NK cell
See Natural killer cell
Read the definitionRandom terms
Show more- MADH4 A tumor suppressor gene (also known as SMAD4/DPC4) located on chromosome 18 in band 18q21 1. About 15% to 20%…
- Disease, Plummer's Toxic multinodular goiter, a condition in which the thyroid gland contains multiple lumps (nodules) that are…
- Croup Croup: A respiratory problem that occurs mainly in children, particularly from 2 to 4 years of age, due to an…
- Ear, slanted An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the…
- Urine Liquid waste. The urine is a clear, transparent fluid. It normally has an amber color. The average amount of…
- Tongue The tongue is a strong muscle anchored to the floor of the mouth. It is covered by the lingual membrane which…
- Asclepius One of the earliest Greek gods to specialize in healing. He was known to the Romans as Aesculapius. Healers…
- Type 1 GM2-gangliosidosis See: Tay-Sachs disease
- Ear tag Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located…
- Adrenoleukodystrophy A rare genetic (inherited) disorder characterized by the breakdown or loss of the myelin sheath surrounding…
- Mercury poisoning The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…
- Anatomy, gross Better known among medical students simply as 'gross', gross anatomy is the study of the form of structures…