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).
Global warming
The sustained increase in the average temperature of the earth's atmosphere. Human activity contributes to this change through the buildup of heat-trapping greenhouse gases. Over time, this increase may be sufficient to cause climatic…
Read the definitionRandom terms
Show more- Tooth, wisdom One of the large molars in the very back of the jaw. The human jaw has changed in size over the course of…
- Horizontal A chemical substance produced in the body that controls and regulates the activity of certain cells or…
- Euthyroid The state of having normal thyroid gland function. As opposed to hyperthyroid (overactive thyroid) and…
- Fear of self An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Gibbon, John H., Jr. American cardiovascular surgeon (1903-1973) who performed the world's first successful open-heart operation…
- Linkage The tendency for genes and other genetic markers to be inherited together because of their location near one…
- Abstinence The voluntary self-denial of food, drink, or sex. Today, abstinence most commonly refers to denial of one's…
- Good Samaritan law A law designed to protect a Good Samaritan from legal liability. Such laws usually specify that whoever in…
- Alternative splicing A mechanism by which different forms of mature mRNAs (messengers RNAs) are generated from the same gene…
- Colony-stimulating factor A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells…
- Migraine, ophthalmic Migraine involving the eyes but without headache. Migraine, due to a spasm of blood vessels in the brain…
- Segmental arterial Doppler pressures A test that measures the blood pressures in the legs to make sure there is normal blood flow. The test is…