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).
Fear of water
An abnormal and persistent fear of water. Sufferers of aquaphobia experience anxiety even though they realize the water in an ocean, a river, a lake, a creek or even a bathtub may pose no imminent threat. They generally avoid such…
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Show more- Os Two Latin words used in medicine that have different meanings and pronunciations. 1. The mouth: a. The upper…
- Benign intracranial hypertension Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea…
- Materfamilias The female head of the family; the mother figure. Materfamilias is the Latin for mother of the household. It…
- Depression, dysthymia A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from…
- Swan-Ganz catheter See: Catheter, Swan-Ganz
- Ball-and-socket joint A ball-and-socket joint is one in which the round end of a bone fits into the cavity of another bone. The hip…
- Diabetes, insulin-resistant An autoimmune form of diabetes, in which the body develops an immune response to its own insulin hormone…
- Reuptake The reabsorption of a secreted substance by the cell that originally produced and secreted it. The process of…
- Unilateral Having, or relating to, one side. Unilateral is as opposed, for example, to bilateral (which means having, or…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Inversion, pericentric chromosome A basic type of chromosome rearrangement in which a segment that includes the centromere (and so is…
- Allergy shots See Allergy desensitization