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).
Dactylitis
Inflammation of a digit (either a finger or a toe). Dactyl comes from the Greek 'daktylos' meaning 'finger.' It now refers not only to the fingers but also the toes. Dactyledema is edema (swelling) of the fingers or toes; dactylomegaly is…
Read the definitionRandom terms
Show more- Descending pathway A nerve pathway that goes down the spinal cord and allows the brain to control movement of the body below the…
- Pagon syndrome Congenital anemia with spinocerebellar ataxia (wobbliness). The anemia is characterized by sideroblasts…
- Syndrome, deafness-ichthyosis-keratitis See Keratitis-ichthyosis-deafness syndrome
- Metered dose inhaler See: Metered-dose inhaler
- Haemophilus influenzae genome See: H. flu genome
- Triskaidekaphobia Fear of the number 13. Written reference to this fear dates to the late 1800s. The term triskaidekaphobia…
- FGFR2 A mutation (change) in the fibroblast growth factor receptor 2 (FGFR2) gene on chromosome 10 causes the…
- Meadow syndrome After Dr. Roy Meadow, the pediatrician who coined the term Munchhausen syndrome by proxy
- Antiseptic Something that discourages the growth microorganisms. By contrast, aseptic refers to the absence of…
- Casein The main protein found in milk and other dairy products
- Meiosis The process of germ cell formation. During meiosis, each chromosome pairs with the other chromosome in the…
- Immunodepressant An agent that can depress or prevent the immune response. See: Immunosuppressant