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).
Bipolar II disorder
Bipolar disorder in someone who has experienced depression and at least one episode of hypomania but not severe mania. Hypomanic episodes characteristically do not cause significant distress or greatly impair one's work, family, or social…
Read the definitionRandom terms
Show more- Infertility Infertility: The diminished ability or the inability to conceive and have offspring. Infertility is also…
- Pest (plague) An infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly infects rats and other…
- Medifast diet The Medifast diet is a low-fat, low-calorie weight loss plan based upon the consumption of specific foods and…
- Musicomania A singular passion for music that is excessive and beyond all reason. From the French musicomanie, from music…
- MPO Myeloperoxidase
- Euploid The normal number of chromosomes for a species. In humans, the euploid number of chromosomes is 46 with the…
- Ligament, posterior cruciate The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Arthroscopic Refers to a surgical technique whereby a doctor inserts a tube-like instrument into a joint to inspect…
- Thyroxine Abbreviated T4. A hormone made by the thyroid gland that has four iodine molecules attached to its molecular…
- Hypochondriacal neurosis See: Hypochondriasis
- Hormone, thyroid Chemical substance made by the thyroid gland which is located in the front of the neck. The thyroid gland…
- Pecs Slang for the pectoral muscles, muscles of the 'anterior chest' (the front of the chest). The Latin 'pectus'…