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).
Directives, advance
Known also as advance medical directives, these are documents that pertain to treatment preferences and the designation of a surrogate decision-maker in the event that a person should become unable to make medical decisions on their own…
Read the definitionRandom terms
Show more- Gallstones Gallstones: Stones that form when substances in the bile harden. Gallstones can be as small as a grain of…
- Goitrogenic foods Goitrogenic are foods that can affect thyroid function by inhibiting synthesis of thyroid hormones, resulting…
- Leukemia, juvenile myelomonocytic leukemia See: Juvenile myelomonocytic leukemia
- Critical care Intensive care. The specialized care of patients whose conditions are life-threatening and who require…
- Hyperostosis Overgrowth of bone. Hyperostosis is a nonspecific term that does not refer to any particular condition
- Progesterone receptor test A laboratory test to determine if breast cancer cells have progesterone receptors on their surface. If the…
- Alien hand syndrome Syndrome: The feeling that one's hand is possessed by a force outside of ones control. The syndrome typically…
- Estimated date of confinement (EDC) The due date or estimated calendar date when a baby will be born
- Desquamation The shedding of the outer layers of the skin. For example, once the rash of measles fades, there is…
- OHRP The Office of Human Research Protections, the agency responsible for developing, monitoring and exercising…
- Atypical Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of…
- Gallus gallus genome The genome of the Red Jungle Fowl, the ancestor of domestic chickens. See: Chicken genome