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).
Dwarfism, thanatophoric
A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after birth. Thanatophoric dysplasia is due to a lethal mutation (change) in the same gene that produces achondroplasia, a familiar and far…
Read the definitionRandom terms
Show more- Coprolalia The excessive and uncontrollable use of foul or obscene language, including words related to feces (bowel…
- Exercise, isotonic Exercise when a contracting muscle shortens against a constant load, as when lifting a weight. Isometric…
- Cerebellar ataxia with progressive dementia See: Gerstmann-Straussler-Scheinker syndrome
- Nonstructural scoliosis A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Presentation, vertex In a vertex presentation, the top of the baby's head comes first at delivery. The vertex here refers…
- Amyotrophic lateral sclerosis 4 ALS4. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) with no bulbar involvement, inherited in…
- Streptococcus pneumoniae (pneumococcus) A type of bacterium that comes in pairs and is shaped like a lancet (a surgical knife with a short wide…
- Pelvis, male See: Male pelvis
- Surveillance, Epidemiology, and Ends Results See: SEER
- Test, radionucleide stress Stress: This procedure involves injecting a radioactive isotope (typically thallium or cardiolyte) into the…
- Large bowel Another name for the large intestine. The word 'bowel' originated from the Latin 'botulus' meaning 'sausage.'
- Herniorrhaphy The surgical repair of a hernia. Herniorrhaphy may be done under local or general anesthesia using a…