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).
Esophageal cancer
Esophageal cancer: A malignant tumor of the esophagus. The risk of cancer of the esophagus is increased by long-term irritation of the esophagus, such as from smoking, heavy alcohol intake, and Barrett esophagitis. The risk of esophageal…
Read the definitionRandom terms
Show more- Schistosome A parasitic trematode worm contracted from infested water that is capable of causing liver, gastrointestinal…
- Osmole In biochemistry, the amount of a substance that dissociates in solution to form one mole of osmotically…
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Naprosyn See: Naproxen
- Lyophilize To freeze-dry. The material is rapidly frozen and dehydrated under high vacuum. The process is termed…
- Under the weather Colloquial expression for sick or ill as, for example, to be under the weather with the flu. The phrase…
- OB/GYN A commonly used abbreviation. OB is short for obstetrics or for an obstetrician, a physician who delivers…
- Paresthesia An abnormal sensation of the skin, such as numbness, tingling, pricking, burning, or creeping on the skin…
- Brunhilde virus Type 1 poliovirus. Named after a female chimpanzee from which it was first isolated. There are two other…
- Ruptured spleen Rupture of the capsule of the spleen, an organ in the upper left part of the abdomen, is a potential…
- Migraine, classic Migraine with aura. Accounts for no more than most 20% of migraines. See Migraine
- Jellyfish sting : The injection into the skin of venom from the stinging unit (the nematocyst) of the jellyfish. The…