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).
Visual receptor
The layer of rods and cones that are the visual cells of the retina
Read the definitionRandom terms
Show more- Delivery, footling There are single-footling or double-footling deliveries depending upon whether the presenting part of the…
- Amoxil See: Amoxicillin
- Med school Short informal term for medical school. (Medical schools are not often called med schools by medical…
- Gene The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a…
- Red blood cells The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them…
- Cancer, lung Cancer of the major organ of respiration - the lung. Lung cancer kills more men and women than any other form…
- Juvenile rheumatoid arthritis See: Arthritis, systemic-onset juvenile rheumatoid
- Elbow, tip of the The bony tip of the elbow is called the olecranon. It is formed by the near end of the ulna, one of the two…
- Acrocyanosis Blueness of the extremities (the hands and feet). Acrocyanosis is typically symmetrical. It is marked by a…
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Normotensive Having normal blood pressure. See also: Hypertensive; Hypotensive
- Digestive a Kidney Dis, Nat'l Inst Diabetes and Diabetes and (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…