MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Sinus, ethmoid
See: Ethmoid sinus
Read the definitionRandom terms
Show more- Gamma-OH A European name for gamma hydroxybutyrate (GHB), a colorless and odorless drug used illicitly for…
- Turner syndrome Turner syndrome: A chromosome disorder in females that is characterized by the absence of all or part of a…
- Type 2 diabetes See Diabetes, type 2.
- Evolution The continuing process of change, especially in reference to natural selection. Charles Darwin (1809-82)…
- Janus kinase 3 See: JAK3
- SV 40 See: SV40
- Prepuce The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys…
- Sequence, conserved A base sequence in a DNA molecule (or an amino acid sequence in a protein) that has remained essentially…
- Eugenics Literally, meaning normal genes, eugenics aims to improve the genetic constitution of the human species by…
- Primary progressive aphasia An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved…
- Dilation, pupil This examination enables your eye care professional to see more of your retina, the light-sensitive layer of…
- Pectus carinatum Pigeon-breasted. In Latin 'pectus' means 'chest' and 'carina' keel = a chest shaped like the keel of a boat…