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).
Tooth
The structures within the mouth that allow for biting and chewing. Teeth have different shapes, depending on their purpose. The sharp canine and frontal teeth allow for biting, while the flattened, thick molars in the back of the mouth…
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Show more- Hirudin An anticoagulant ('bloodthinner'). Hirudin is the active principle in the salivary secretion of leeches. The…
- Cone snail A fishing-eating snail (Conidae) that inhabits tropical coral reefs and produces toxins that immobilize their…
- Undifferentiated cancer Cancer: A cancer in which the cells are very immature and 'primitive' and do not look like cells in the…
- Cosmid DNA from a bacterial virus into which is spliced a small fragment of a genome to be amplified and sequenced…
- Cyst, synovial, of the popliteal space A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined…
- Paraphimosis A condition in which the foreskin of the penis, once retracted, cannot return to its original location. The…
- Irrigation of the colon The use of liquid solutions given by enema to remove material from the rectum or colon, ostensibly to…
- Substance, pressor See: Pressor substance
- Cardiac arrest A medical emergency with absent or inadequate contraction of the left ventricle of the heart that immediately…
- Jejunostomy A surgical operation to create an opening of the jejunum (a part of the (a part of the small intestine) to a…
- Olefaction Common misspelling of olfaction
- Scan, SPECT Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…