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.
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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).
Developmental delay
Behind schedule in reaching milestones of early childhood development.
Read the definitionRandom terms
Show more- Fear of crossing streets Abnormal and persistent fear of crossing streets, highways and other thoroughfares; fear of thoroughfares…
- Endoscopic gastrostomy, percutaneous (PEG) A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on…
- Bromoderma A skin eruption brought on by chronic exposure to bromine. Essentially an allergic reaction to bromine. There…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…
- Gene amplification Making multiple copies of a gene. Repeated copying of a gene. Gene amplification plays a role in cancer…
- Circumflex Curved like a bow. In anatomy, circumflex describes a structure that bends around like a bow. For example…
- Dislocation, congenital hip The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Syndrome, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Dysfunction >Constitutional hepatic dysfunction, (familial nonhemolytic jaundice), >Dental dysfunction (abnormal…
- Dermatophytic onychomycosis Ringworm of the nail, the most common fungus infection of the nails (onychomycosis). Onychomycosis makes the…
- Chemosensory Pertaining to the sensing of chemicals, as by olfaction (the sense of smell). Diabetes and Parkinson's…
- Dieldrin A chlorinated hydrocarbon insecticide. See: Aldrin and dieldrin