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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Deja vu
(In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent on the à but we have omitted the accents from the entry term for the sake of the English-speaking search engine.) Dejà vu is a…
Read the definitionRandom terms
Show more- Kyphoscoliosis Combination of kyphosis and scoliosis (lateral curving of the spine). Part of good health maintenance is to…
- Deficiency, niacin See: Pellagra
- Acid, folic One of the B vitamins that is a key factor in the synthesis (the making) of nucleic acid (DNA and RNA). A…
- Abruption A sudden breaking off or away. Abruption of the placenta (abruptio placentae) is the premature separation of…
- Cancer, pancreatic See: Pancreatic cancer
- Syndrome, sick sinus Symptoms of dizziness, confusion, fainting, and heart failure due to a problem with the sinus node of the…
- Tic disorder A disorder characterized by the presence of tics. If both motor and vocal tics are present for more than six…
- Adoption medicine Medicine for the adopted child, including pre-adoption counseling and evaluation based on a child's medical…
- Pancytopenia A shortage of all types of blood cells, including red and white blood cells as well as platelets.
- Syndrome, Gareis-Mason See Syndrome, MASA
- ADCC (antibody-dependent cell-mediated cytotox.) An immune response in which antibodies, by coating target cells, makes them vulnerable to attack by immune…
- Specificity 1. The quality of being specific as, for example, she showed the use of specificity in her diagnosis. 2. The…