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).
Naloxone
A drug that antagonizes morphine and other opiates. Naloxone is a pure opiate antagonist and prevents or reverses the effects of opioids including respiratory depression, sedation and hypotension. Sold under the brand name of Narcan and in…
Read the definitionRandom terms
Show more- Egg sac The 'egg sac' or ovary is one of a pair of reproductive glands in women. They are located in the pelvis, one…
- Intrahepatic Within the liver.
- Syndrome, Gustavson A disorder first reported in 1999 by Gustavson and colleagues as a new X-linked mental retardation syndrome…
- Neutral posture The posture when the joints are not bent and the spine is aligned and not twisted. Working in neutral…
- Membrane A very thin layer of tissue that covers a surface.
- Mucus A thick slippery fluid produced by the membranes lining certain organs such as the nose, mouth, throat, and…
- MELAS syndrome MELAS syndrome: MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like…
- Ossification The process of creating bone, that is of transforming cartilage (or fibrous tissue) into bone. The human…
- Hyperbilirubinemia An elevated level of the pigment bilirubin in the blood. A sufficient elevation will produce jaundice. Some…
- Fever, splenic Known also as anthrax, splenic fever is a serious bacterial infection. It is not primarily a human disease…
- Myocyte A muscle cell. From myo-, muscle + -cyte, cell = muscle cell. 'Remaining young at heart is a desirable but…
- Antibody-dependent cell-mediated cytotoxicity An immune response in which antibody, by coating target cells, makes them vulnerable to attack by immune…