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.
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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).
Ozone
A form of oxygen that consists of three atoms of oxygen, in contrast to normal atmospheric oxygen which consists of two atoms of oxygen. Ozone is an important greenhouse gas found in both the stratosphere and the troposphere. Ozone has…
Read the definitionRandom terms
Show more- ADH (antidiuretic hormone) A peptide molecule that is released by the pituitary gland at the base of the brain after being made nearby…
- Osteochondrosis Any disease that affects the progress of bone growth by killing bone tissue. Osteochondrosis is seen only in…
- TVS Abbreviation for 'transvaginal ultrasound,' a technique in which sound waves are sent out by an ultrasound…
- Medical scientist A person who combines expertise in medicine and science. Medical scientists of note might, for example…
- Decompression, biliary See: Biliary decompression
- Premature systole See: Extrasystole
- PSA See: Primary sclerosing cholangitis.
- Frambesia Also known as yaws, frambesia is a common chronic infectious disease that occurs mainly in the warm humid…
- Gigantism, focal Excessive growth of specific body parts such as an arm, the tongue, or a combination of specific body parts…
- Chronic granulocytic leukemia See: Chronic myelogenous leukemia
- Rupture A break or tear in any organ (such as the spleen) or soft tissue (such as the achilles tendon). Rupture of…
- Ventricle A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the…