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).
Pallister-Killian syndrome
A condition with multiple malformations at birth and mental retardation due to isochromosome 12p mosaicism (an abnormal chromosome #12 in some cells).
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Show more- Hirudin An anticoagulant ('bloodthinner'). Hirudin is the active principle in the salivary secretion of leeches. The…
- Oxygen A colorless, odorless and tasteless gas that makes up about 20% of the air we breathe (and at least half the…
- Karyocyte Any cell that possesses a nucleus. A neuron (nerve cell) is a karyocyte; it has a nucleus. A mature…
- Vaccination, German measles See Immunization, MMR.
- Cell, somatic See: Somatic cell
- Outer ear There are three sections of the ear: the outer ear, the middle ear, and the inner ear. The outer ear looks…
- Dissecting aneurysm A localized widening (dilatation) of an artery (an aneurysm) in which the wall of an artery rips (dissects)…
- C-section Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically…
- Lissencephaly syndrome See: Miller-Dieker syndrome
- Phalangeal Pertaining to a phalanx (a bone in the finger or toe)
- Papillary renal cell carcinoma A type of kidney cancer that accounts for 15 to 20% of renal carcinomas. It occurs in both sporadic and…
- Disease, Still See: Arthritis, systemic-onset juvenile rheumatoid