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).
Phacoemulsification
A procedure in which the lens clouded by a cataract is broken up by ultrasound, irrigated, and suctioned out. Most cataract surgery today is performed using phacoemulsification. Before the advent of this technique, people with cataracts…
Read the definitionRandom terms
Show more- Juvenile melanoma See: Melanoma, juvenile
- Congenital anemia with spinocerebellar ataxia See: Pagon syndrome
- Speech therapy The treatment of speech and communication disorders. The approach used depends on the disorder. It may…
- Straightjacket See: Straitjacket
- Cranial nerve, seventh The seventh cranial nerve is the facial nerve, a mixed nerve that has fibers both going out and coming in…
- Lamarckism The theory of acquired characteristics put forth by Jean-Baptiste P.A. Lamarck (1744-1829), a French…
- Gland of internal secretion See: Endocrine gland
- Hot flashes A sudden wave of mild or intense body heat caused by rushes of hormonal changes resulting from decreased…
- ATSDR The Agency for Toxic Substances and Disease Registry, a part of the U.S. Department of Health and Human…
- Acute radiation syndrome An acute illness caused by a dose greater than 50 rads of penetrating radiation to most or all of the body in…
- URG Urogastrone. See: EGF
- CDHR Center for Devices & Radiological Health, part of the FDA (the US Food & Drug Administration)