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).
Variant Creutzfeldt-Jakob disease
Variant Creutzfeldt-Jakob disease: Abbreviated vCJD. A human disease thought due to the same infectious agent as bovine spongiform encephalopathy (BSE), or mad cow disease. Both the human and bovine disorders are invariably fatal brain…
Read the definitionRandom terms
Show more- Iniencephaly A rare neural tube defect that combines extreme retroflexion (backward bending) of the head with severe…
- Allergic reaction The hypersensitive response of the immune system of an allergic individual to a substance. When an allergen…
- Gamma knife A type of radiosurgery (radiation therapy) machine that acts by focusing low-dosage gamma radiation from many…
- Acetyl phosphate A molecular ion which plays a role in the synthesis of the four-carbon fatty acid, butyric acid. The formula…
- Histamine cephalalgia A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- DNA In the UK, DNA is an abbreviation for "did not attend." (In the US, the term used for a patient who missed an…
- Toxic multinodular goiter Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess…
- Acoustic neuroma A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Radiologist A physician specialized in radiology, the branch of medicine that uses ionizing and nonionizing radiation for…
- VATER association A nonrandom association of birth defects. VATER is an mnemonic in which the letters V, A, T, E, and R each…
- Osteotomy, displacement Surgical reconfiguration of a bone by changing its physical relationship to other bones
- Viable Capable of life. For example, a viable premature baby is one who is able to survive outside the womb.