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).
In-the-canal hearing aid
A hearing instrument custom designed to fit in the ear canal. It protrudes slightly into the outer ear and so is visible. In-the-canal (ITC) instruments are appropriate for mild to moderate hearing losses but not for infants or young…
Read the definitionRandom terms
Show more- Transmission, perinatal Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the…
- Fear of crossing bridges An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even…
- Cassette A pre-existing structure into which an insert can be moved. In molecular biology, a gene conversion process…
- Adenine (A) One member of the A-T (adenine-thymine) base pair in DNA. The other base pair in DNA is G-C…
- PINK1 Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the…
- Disease, Lobstein's Osteogenesis imperfecta type I. An inherited, generalized connective tissue disorder featuring bone fragility…
- Chronic tamponade A situation in which a chronic excess of fluid inside the pericardial sac and thickening of the pericardial…
- Mendel, Gregor The great Moravian/Bohemian biologist (1822-84) who set forth the basic laws that constitute the foundation…
- Abductor muscle Any muscle used to pull a body part away from the midline of the body. For example, the abductor muscles of…
- Inheritance, Y-linked Inheritance of genes on the Y chromosome. Since only males normally have a Y chromosome, Y-linked genes can…
- TORCH screen Screening test for a group of infections known by the acronym TORCH which stands for Toxoplasma gondii; other…
- Single transverse palmar crease Preferable term for what historically was called a simian crease. See: Simian crease