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).
Spots, Brushfield's
Speckled iris. Little white spots that slightly elevated on the surface of the iris and are arranged in a ring concentric with the pupil. These spots occur in normal children but are far more frequent in Down's syndrome (trisomy 21). They…
Read the definitionRandom terms
Show more- Ailurophobia An abnormal and persistent fear of cats which produces an undue anxiety reaction even though sufferers…
- Papilloma, cutaneous A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- Vertebrae, thoracic The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The…
- Axon A long fiber of a nerve cell (a neuron) that acts somewhat like a fiber-optic cable carrying outgoing…
- Granny-cam See: Granny cam
- Acral-lentiginous melanoma See: Melanoma, acral-lentiginous
- Oophorectomy The removal of one or both ovaries by surgery. Also known as ovariectomy.
- Quintox Trade name of the insecticide dieldrin. See: Aldrin and dieldrin
- Total hip replacement Total hip replacement: Surgery in which the diseased ball and socket of the hip joint are completely removed…
- Christian Boehmer Anfinsen, Jr. See: Anfinsen, Christian Boehmer, Jr.
- Loeys-Dietz syndrome Loeys-Dietz syndrome: Loeys-Dietz syndrome is an inherited syndrome characterized by aortic aneurysms…
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…