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).
Pancreas, annular
An abnormal ring of pancreatic tissue that encircles the duodenum and often causes intestinal obstruction. Nausea and vomiting are the usual symptoms and reflect the intestinal obstruction. Complete obstruction is usually evident in the…
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Show more- Alopecia capitis totalis Loss of all of the scalp hair. Alopecia means baldness and capitis refers to the head. Alopecia capitis…
- Bromobenzylcyanide A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Care proxy, health A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Anatomy in the Bible There are in the Bible but few direct references to the internal organs. Biblical poetry, however, abounds…
- Arthrogryposis Joint contractures that develop before birth (prenatally) and are evident at birth (congenitally). A newborn…
- Donor insemination A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Masochism Pleasure from one's own pain. Masochism is considered a sexual disorder, or paraphilia. Named after the…
- Alternative medicine Alternative medicine: Healing arts not taught in traditional Western medical schools that promote options to…
- Seizure, atonic See: Atonic seizure
- Cyclin E A protein that is part of a molecular network that controls the cell cycle. There are a large number of…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Inhibition, orgasmic See: Anorgasmia