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).
Chiron
In Greek mythology, the centaur who, wounded by Hercules, invented medicine in order to heal himself. Chiron taught Asclepius the art of healing, which became the source of all divine medical knowledge among the Greeks. Chiron was also the…
Read the definitionRandom terms
Show more- Tension, intraocular The pressure within the eye
- Nuchal Referring to the back of the neck (nape). For example, nuchal rigidity is a stiff neck, sometimes a symptom…
- Epistaxis Medical term for nosebleed. The nose is a part of the body that is very rich in blood vessels (vascular) and…
- Step protocol See: Step therapy
- Metastasize The spread from one part of the body to another. When cancer cells metastasize and cause secondary tumors…
- Trisomy 13 syndrome Condition with three rather than the normal two chromosomes #13. Children born with this syndrome have…
- Narcan Brand name for naloxone
- Acquired deafness Deafness: The loss of hearing that occurs or develops some time during a person's life but was not present at…
- Clostridium A group of anaerobic bacteria (bacteria that thrive in the absence of oxygen). There are 100+ species of…
- Exonuclease An enzyme that cleaves nucleotide bases sequentially from the free ends of a nucleic acid (DNA or RNA)
- Immunology The study of all aspects of the immune system including its structure and function, disorders of the immune…
- Methicillin-resistant staphylococcus aureus Staphylococcus aureus (a type of staph bacteria) resistant to the antibiotic methicillin. Abbreviated MRSA…