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).
Nipple
The pigmented projection on the surface of the breast. Ducts that conduct milk from the mammary glands to the surface of the breast exit through the nipple. The surrounding flat area of pigmentation is the areola
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Show more- Meningioma A common type of slow growing, usually benign brain tumor that arises from the dura, one of the meninges, the…
- Dermatophytic onychomycosis Ringworm of the nail, the most common fungus infection of the nails (onychomycosis). Onychomycosis makes the…
- Code, emergency While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Operation Although there are many meanings to the word 'operation', in medicine it refers to a surgical procedure. To…
- White matter The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…
- Extrinsic 1. Not an essential or inherent part of a something such as a structure.2. Coming from the outside. Extrinsic…
- Binaural Relating to both ears. From the Latin bini, a pair, + auris, ear = a pair (of) ears = both ears. Synonymous…
- Heart rhythm disorders Heart rhythm disorders: Abnormal rhythm of the heartbeat due to irregularities in transmission of the…
- Berry aneurysm A berry aneurysm is a small outpouching (an aneurysm) that looks like a berry and classically occurs at the…
- H. flu genome The total genetic complement of the bacterium Haemophilus influenzae (H. flu). This bacterial genome was the…
- Reaction, desmoplastic This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Mastectomy, simple Removal of one or both breasts, but not the lymph nodes