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).
Amino acids
The building blocks of polypeptides and proteins
Read the definitionRandom terms
Show more- Calorie A unit of food energy. In nutrition terms, the word calorie is used instead of the more precise scientific…
- Cocaine The most potent stimulant of natural origin, a bitter addictive anesthetic (pain blocker) which is extracted…
- GALT The enzyme (galactose-1-phosphate uridyl transferase) lack of which causes the genetic metabolic disease…
- Kerato- Inflammation of the eye involving both the cornea and the conjunctiva. Keratoconjunctivitis can be due to…
- Tonsillectomy Tonsillectomy: The surgical removal of both tonsils. A tonsillectomy may be performed in cases of recurrent…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Measles Measles: An acute and highly contagious viral disease characterized by fever, runny nose, cough, red eyes…
- Homocystinuria A genetic disease due to an enzyme deficiency. Among other events, there is a buildup of the amino acid…
- IQ Abbreviation for intelligence quotient, an attempt to measure the intelligence of someone. The IQ score is…
- Q.d. (on prescription) Seen on a prescription, q.d. (or qd) means one a day (from the Latin quaque die). The abbreviation is…
- Cancer, pancreatic See: Pancreatic cancer
- Dystocia, cervical See: Cervical dystocia