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).
Arterial blood gas (ABG)
The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as opposed to the levels of oxygen and carbon dioxide in venous blood. Typically the acidity, or pH, of the blood is measured simultaneously with the gas…
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Show more- Shettles method A set of procedures proposed and popularized for sex selection by the gynecologist Landrum B. Shettles…
- Calcaneal spur A bony spur projecting from the back or underside of the heel bone (the calcaneus) that often makes walking…
- Parietal lobe Part of the brain, specifically the section of the cerebral hemisphere that lies beneath the parietal bone…
- Migraine headache Migraine headache: The most common type of vascular headache involving abnormal sensitivity of arteries in…
- IgG Immunoglobulin G, a major class of immunoglobulins found in the blood, including many of the most common…
- Locoregional metastasis Metastasis (spread) of a cancer only within the region in which it arose. In contrast to systemic metastasis
- Facial muscle One of the 43 muscles in the human face. The facial muscles convey basic human emotions such as anger…
- Chewing tobacco Tobacco that is chewed, not smoked. A form of smokeless tobacco. Chewing tobacco and snuff are the two main…
- Renal calculi Kidney stones. A common cause of blood in the urine and pain in the abdomen, flank, or groin. Occurs in 1 in…
- Concussion Concussion: A traumatic injury to tissues of the body such as the brain as a result of a violent blow…
- Td Adult diphtheria and tetanus toxoids. See Td immunization
- Aspie Name that many people with Asperger syndrome call themselves