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).
Mask, oxygen
A mask that covers the mouth and nose, and is hooked up to an oxygen tank. It delivers oxygen directly to the patient. Oxygen can also be delivered directly through a nasal catheter, a tube that divides into two smaller tubes that go into…
Read the definitionRandom terms
Show more- Bp In genetics, base pair. In general medicine, blood pressure (but usually in capital letters as BP)
- Pound A measure of weight equal to 16 ounces or, metrically, 453.6 grams. The word 'pound' goes back to the Latin…
- Cholesterol guidelines The guidelines on cholesterol for adults. A 2004 update to the National Cholesterol Education Program's…
- Wry neck Medically called spasmodic torticollis, or torticollis. The most common of the focal dystonias. In…
- De Quervain's tenosynovitis De Quervain's tenosynovitis: De Quervain's tenosynovitis is inflammation of tendons on the side of the wrist…
- Nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…
- Basilar fracture A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor…
- Menopause, induced Menopause, induced: Induced menopause occurs when menopause is due to an unusual ('unnatural') event. It is…
- Morpheus In Greek and Roman mythology, the son of sleep and the god of dreams who lay on an ebony bed in a dim-lit…
- Cyclosporiasis Infection with the parasite Cyclospora cayetanensis. See: Cyclospora infection
- Whitehead A familiar term for what is medically called a closed comedo. A comedo, the primary sign of acne, consists of…
- Needle biopsy, stereotactic See: Stereotactic needle biopsy