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).
Hyaluronic acid
Hyaluronic acid: A viscous slippery substance that lubricates the joints, maintains the shape of the eyeballs, and is a key component of connective tissue. On a more technical level, hyaluric acid is an glycosaminoglycan (formerly called a…
Read the definitionRandom terms
Show more- Cancer anorexia Loss of desire to eat due to cancer. Cancer anorexia contributes to malnutrition, increases morbidity…
- Eyelid granulation See Blepharitis
- TACE Transarterial chemoembolization, a procedure in which the blood supply to a tumor is blocked (embolized) and…
- Alpha blocker A drug that blocks receptors in arteries and smooth muscle. This action relaxes the blood vessels and leads…
- Taenia dentata Taenia solium
- Phantom tooth Persistent pain in the area from which a tooth has been extracted. Phantom tooth pain may last for months and…
- Paragonimus infection See: Paragonimiasis
- Fatal familial insomnia Abbreviated FFI. An hereditary prion disease characterized by disrupted sleep (insomnia), motor abnormalities…
- Ferritin The major iron storage protein. The blood level of ferritin serves as an indicator of the amount of iron…
- Psychosis, Othello See: Othello syndrome
- Alopecia, traumatic Hair loss caused by injury to the scalp. Traumatic alopecia is usually caused by grooming methods that…
- Manic Refers to a mood disorder in which a person seems 'high', euphoric, expansive, sometimes agitated…