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).
Primary progressive aphasia
An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved. The diagnosis of primary progressive aphasia is based on the presence of a progressive disorder of language, with preservation of…
Read the definitionRandom terms
Show more- Health As officially defined by the World Health Organization, a state of complete physical, mental, and social…
- Serration A finely notching like that along the cutting edge of a saw. The serratus muscles take their name from their…
- Hereditary prostate cancer Prostate cancer: A genetic form of prostate cancer. The risk of prostate cancer is clearly genetic. Men with…
- Fetal surgery The surgical treatment of the fetus before birth. Also called prenatal or antenatal surgery. Fetal surgery is…
- Promoter In molecular biology, a site on DNA to which the enzyme RNA polymerase can bind and initiate the…
- Alkaloid A member of a large group of chemicals that are made by plants and have nitrogen in them. Many alkaloids…
- Follicular cyst of the ovary A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…
- Drug, antihypertensive As the name clearly implies, a drug aimed at reducing high blood pressure (hypertension)
- Brain That part of the central nervous system that is located within the cranium (skull). The brain functions as…
- Acetylcysteine An antioxidant drug used to reduce the thickness of mucus and ease its removal. It is also used to reverse…
- Hormone, thyroid Chemical substance made by the thyroid gland which is located in the front of the neck. The thyroid gland…
- Infertility, Y chromosome See: Y chromosome infertility