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).
Substance, pressor
See: Pressor substance
Read the definitionRandom terms
Show more- Nervous system, peripheral (PNS) That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system…
- Guillotine A machine used during (and after) the French Revolution for beheading people condemned to death, by means of…
- Freckle A flat circular spot on the skin about the size of the head of a nail that develops after repeated exposure…
- Retic Short for reticulocyte
- Lung, and Blood Institute, National Heart, BI): One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for…
- Conventional medicine Medicine as practiced by holders of M.D. (medical doctor) or D.O. (doctor of osteopathy) degrees and by their…
- Subtelomeric Below the telomere, the end of a chromosome. For example, it has been reported that subtle subtelomeric…
- Did not attend (DNA) In the UK, DNA is an abbreviation for 'did not attend.' (In the US, the term used for a patient who missed an…
- RNA, messenger A class of RNA that is the template upon which polypeptides are put together. Abbreviated mRNA
- Venereal Disease Research Laboratory test A blood test for syphilis. Venereal Disease Research Laboratory is commonly abbreviated VDRL. A negative…
- Renal capsule The fibrous connective tissue that surrounds each kidney
- Pseudomonas infection Infection usually with Pseudomonas aeruginosa, the versatile 'blue-green pus bacteria' that opportunistically…