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).
Annular pancreas
An abnormal ring of pancreas 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 newborn…
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Show more- Good Samaritan Someone who voluntarily helps someone else who is in distress. The term 'Good Samaritan' comes from the…
- Atloaxoid joint The joint between the atlas and axis bones. The atlas is the first cervical (neck) vertebra which is just…
- Bilharziasis A parasite infection by a trematode worm acquired from infested water. Also known as schistosomiasis. Species…
- C. elegans genome All of the genetic information contained in the roundworm Caenorhabditis elegans (C. elegans). The genomes of…
- Bias 1. When a point of view prevents impartial judgment on issues relating to the subject of that point of view…
- Reproductive organs, female The internal genital structures of the female include the ovaries, the Fallopian tubes, the uterus (womb) and…
- Absinthism The disorder associated with the habitual abuse of absinthe. The symptoms included hallucinations…
- CEA assay Carcinoembryonic antigen (CEA) is a protein found in many types of cells but associated with tumors and the…
- Periaortic Around the aorta. The aorta is the great artery that comes from the left ventricle of the heart and delivers…
- Lymphocytosis Too many lymphocytes, a finding that may be a marker for infection or disease.
- Lycanthropy The delusion that one has become a wolf or the werewolf transformation. Werewolf myths were associated with…
- Introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…