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).
Docosahexaenoic acid
DHA. An essential fatty acid, thought to be important to the development of infants, particularly as regards their eyes and brain. DHA is present in breast milk and has been added to some infant formulas. Postnatal DHA may improve vision…
Read the definitionRandom terms
Show more- Hydatidiform mole A tumor that forms in the uterus as a mass of cysts resembling a bunch of grapes. Moles occur during the…
- Syndrome, Gareis-Mason See Syndrome, MASA
- Sarcoidosis Sarcoidosis: A disease of unknown origin that causes small lumps (granulomas) due to chronic inflammation to…
- Choking (object in airway) Partial or complete obstruction of the airway can be due to a foreign body (e.g., food, a bead, toy, etc.)…
- Sesquipedalian A long polysyllabic word that means having many syllables or using long words, as is all too often the case…
- Endocervical curettage The removal of tissue from the inside of the cervix using a spoon-shaped instrument called a curette
- Gene mapping The process of determining the relative positions of genes on a chromosome (or another piece of DNA) and the…
- Pregnancy danger from fifth disease Caused by a virus known as parvovirus B 19. Symptoms include low-grade fever, fatigue, a 'slapped cheeks…
- Retinoschisis, juvenile See: Juvenile retinoschisis
- Staphylococcal infection Infection with one of the Staphylococcal bacteria. Staph infection can cause pus-filled abscesses on the skin…
- Goiter, toxic multinodular Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive and produce excess…
- Pancreatic cancer Pancreatic cancer: Malignancy of the pancreas. Pancreatic cancer has been called a 'silent' disease because…