MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Liver cancer, adult primary
A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular carcinoma. Primary liver cancer is different from cancer that has metastasized (spread) from another place in the body to the liver. The…
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Show more- Atloaxoid joint The joint between the atlas and axis bones. The atlas is the first cervical (neck) vertebra which is just…
- Erotic jealousy syndrome See: Othello syndrome
- Total laryngectomy A surgical procedure in which the whole voice box is removed, and the stoma opening into the larynx is…
- Allergic contact eczema Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into…
- Reflex, let down The let down reflex of the mother is an involuntary reflex during breastfeeding which causes the milk to flow…
- Vascular Relating to the blood vessels of the body. The blood vessels of the body, as a group, are referred to as the…
- Beard The hair that normally grows on the male face after puberty. Testosterone, the most potent of the naturally…
- Tumor, sweat gland A benign (harmless) skin tumor called a syringoma that derives from cells related to sweat glands. (These…
- Lethal Deadly, fatal, capable of causing death, death-dealing. The word 'lethal' comes from the Latin 'letum'…
- Thomas Sydenham See: Sydenham, Thomas
- Wolfram syndrome A genetic neurodegenerative disease that leads to many different abnormalities including diabetes insipidus…
- Bipolar II disorder Bipolar disorder in someone who has experienced depression and at least one episode of hypomania but not…