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).
Neurofibromatosis
A genetic disorder of the nervous system that primarily affects the development and growth of neural (nerve) cell tissues, causes tumors to grow on nerves, and may produce other abnormalities. Neurofibromatosis (NF) consists of two very…
Read the definitionRandom terms
Show more- International unit (IU) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Peliosis hepatis A rare condition in which the liver contains multiple, randomly-distributed blood-filled spaces or cavities…
- Knee, secretary's The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes…
- Pulmonary artery catheter Also called a Swan-Ganz catheter. A light flexible balloon-tipped tube that is introduced into the pulmonary…
- Fire ants Originally from S. America. Among the worst insect pests ever to invade the US. Red or yellowish ants of…
- CFTR Cystic fibrosis conductance regulator. Mutations in the gene for CFTR are responsible for cystic fibrosis…
- Nutrigenomics The study of how different foods may interact with specific genes to increase the risk of common chronic…
- Abscess, perianal See: Perianal abscess
- Ankyloglossia A minor congenital anomaly (birth defect) in which the flap of mucous membrane under the tongue (known as the…
- Perichondrial To do with the perichondrium, a dense membrane composed of fibrous connective tissue that closely wraps all…
- Syndrome, locked-in A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body…
- Dopa A precursor (forerunner) of dopamine, a key neurotransmitter (messenger) in the brain. Dopa is used in the…