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).
Poikiloderma
Extra pigmentation of the skin demonstrating a variety of shades and associated with widened capillaries (telangiectasia) in the affected area
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Show more- Stem cell harvest, peripheral blood A technique for obtaining stem cells from the patient's blood for use in bone marrow transplantation. They…
- CD40 A receptor molecule on the cell surface of all mature B cells (B lymphocytes), most B-cell malignancies, and…
- Polyubiquitination The binding of many ubiquitin molecules to the same target protein. Polyubiquitination of proteins is the…
- American Academy of Family Physicians (AAFP) >To provide responsible advocacy for and education of patients and the public in all health-related matters…
- Dementia, MELAS Dementia, MELAS: MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Strokelike…
- Channelopathy A disease involving dysfunction of an ion channel. Channelopathies are known that involve the ion channels…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Diplopia, monocular Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular…
- Withdrawal symptoms Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the…
- Stretch, quadriceps An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…
- Humorism In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Osler, Sir William Renowned Canadian physician (1849-1919) who taught at McGill University, the University of Pennsylvania…