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).
Phytonutrient
The active health-protecting Currently, the terms 'phytonutrient' and 'phytochemical' are being used interchangeably to describe those plant compounds which are thought to have health-protecting qualities. The antioxidant, immune boosting…
Read the definitionRandom terms
Show more- Stress testing, exercise cardiac The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- TGF Transforming growth factor
- Manorexia A term that has been used to refer to anorexia nervosa in males. This is not an officially recognized medical…
- NCS Nerve conduction study. See: Nerve conduction velocity test
- Dejerine-Klumpke paralysis See: Klumpke palsy
- Optic nerve head The circular area in the back of the inside of the eye where the optic nerve connects to the retina
- Elective mutism Complete lack of speech (mutism) that is believed to be volitional (willed) on the part of the patient. True…
- Cystectomy Surgery to remove the bladder. Cystic fibrosis: A common genetic disease inherited as a recessive condition…
- Squamous intraepithelial lesion A general term for the abnormal growth of squamous cells on the surface of the cervix. The changes in the…
- Thyroxine Abbreviated T4. A hormone made by the thyroid gland that has four iodine molecules attached to its molecular…
- Hong Kong influenza See: Hong Kong flu
- Heterochromatin, constitutive Heterochromatin that is fixed and irreversible. Regions of constitutive heterochromatin are located at very…