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).
Mononucleosis
Infection with the Epstein-Barr virus (EBV, human herpesvirus 4, HHV-4) in which there is an increase of white blood cells that have a single nucleus (monocytes). The infection can be spread by saliva. Its incubation period is four to…
Read the definitionRandom terms
Show more- Placebo Also called the placebo response. A remarkable phenomenon in which a placebo -- a fake treatment, an inactive…
- Percutaneous nephrolithotripsy (PNL) A technique for removing large and/or dense stones and staghorn stones. PNL is done via a port created by…
- Psychotropic drug Any drug capable of affecting the mind, emotions, and behavior. Some legal drugs such as lithium for…
- Immunocompetence The ability to produce a normal immune response
- Joint, temporomandibular Joint that hinges the lower jaw (mandible) to the skull. Abbreviated TMJ or TM joint.
- Vein, large saphenous The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Vein, varicose See: Varicose vein
- Premenstrual syndrome Premenstrual syndrome: A combination of physical and mood disturbances that occur in the last half of a…
- Carotid Pertaining to the carotid artery and the area near that key artery located in the front of the neck though…
- Inch In length, 1/12th of foot or 1/36 of a yard or, metrically, 2.54 centimeters. The inch, along with the foot…
- Femoral head, avascular necrosis of the See Legg-Calve-Perthes disease
- Anaphia The inability to feel touch. From the Greek prefix an, not + Greek haphe, touch = inability to (feel) touch…