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).
Cerebral edema
Edema: Accumulation of excessive fluid in the substance of the brain. The brain is especially susceptible to injury from edema, because it is located within a confined space and cannot expand. Also known as brain edema, brain swelling…
Read the definitionRandom terms
Show more- Cisplatin An anticancer drug that belongs to the family of drugs called platinum compounds. Cisplatin is used in the…
- Therapy, biological Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- Embolism The obstruction of a blood vessel by a foreign substance or a blood clot blocking the vessel. Something…
- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- Echinococcus A tiny parasitic tapeworm. The larval stage of this tapeworm can cause human disease. There are three forms…
- Leper 1. Someone with leprosy (Hansen disease). The term leper is now in disfavor. 2. By extension, a pariah. A…
- Vocal cord, false See: False vocal cord
- Peter Pan syndrome Term coined by pop psychology author Dan Kiley in his book 'Peter Pan syndrome: Men Who Have Never Grown Up.'…
- RNA virus, positive-strand See: Positive-strand RNA virus
- Clinical trial See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Non-inferior clinical…
- Taenia In medicine, taenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy…
- Signal transduction pathway The course by which a signal from outside a cell is converted to a functional change within the cell