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).
Agonist
A drug that binds to a receptor of a cell and triggers a response by the cell. An agonist often mimics the action of a naturally occurring substance. An agonist produces an action. It is the opposite of an antagonist which acts against and…
Read the definitionRandom terms
Show more- Vernix More formally known as vernix caseosa, the vernix is a white cheesy substance that covers and protects the…
- Behavioral medicine An interdisciplinary field of research and practice that focuses on how people's thoughts and behavior affect…
- Flat feet A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground…
- Antifungal A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and…
- Subcutaneous Under the skin. 'Subcutaneous' implies just under the skin. With a subcutaneous injection, a needle is…
- Cataract with poikiloderma atrophicans Also known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive…
- Vertigo, benign paroxysmal positional (BPPV) A balance disorder that results in the sudden onset of dizziness, spinning, or vertigo when moving the head
- Ab ovo Latin expression for 'from the beginning.' Ab ovo literally means 'from the egg.
- Bogorad's syndrome Named after the Russian neuropathologist who described the syndrome of crocodile tears. See: Crocodile tears…
- Acoustic aphasia See: Auditory aphasia
- Fever, Q Quintan means recurring every 5 days, the characteristic duration of trench fever. Quintan or trench fever is…
- Vaginal spermicide A vaginal spermicide is a substance that will kill sperm in the vagina. Vaginal spermicides are available in…