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).
Pleural effusion
Excess fluid between the two membranes that envelop the lungs. These membranes are called the visceral and parietal pleurae. The visceral pleura wraps around the lung while the parietal pleura lines the inner chest wall. There is normally…
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Show more- Agammaglobulinemia Total or near-total absence of gamma globulin, a protein fraction of the blood rich in antibodies, due to…
- Skeletal dysplasia One of a large contingent of genetic diseases in which the bony skeleton is abnormally formed during…
- Lining, uterine The inner layer of the uterus (womb); the cells that line the womb; anatomically termed the endometrium. This…
- Thrombin A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen…
- Agoraphobia Agoraphobia: An abnormal and persistent fear of public places or open areas, especially those from which…
- Hepatic An artery that distributes blood to the liver, pancreas and gallbladder as well as to the stomach and…
- Excimer laser A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are…
- Optic Having to do with vision.
- Valsalva, Antonio Maria Italian anatomist and pathologist, physician and surgeon (1666-1723), perhaps best known for the Valsalva…
- Drug, over-the-counter (OTC) A drug for which a prescription is not needed
- Karyotyping The preparation, analysis, and interpretation of a karyotype
- Veisalgia The sober medical term for a hangover. 'There is no consensus definition of veisalgia ('alcohol…