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).
Seborrheic eczema
Yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body
Read the definitionRandom terms
Show more- Regurgitation, mitral See: Mitral regurgitation
- Arginine An amino acid, one of the 20 amino acids that serve as the building blocks in protein. Arginine is not an…
- Acanthamoeba A microscopic organism, an amoeba, found in soil, dust and fresh water (lakes, rivers, hot springs and hot…
- Ear puncture Puncture of the ear drum may be due to an accident for example when something is stuck into the ear. Or it…
- Apheresis The process of removing a specific component from blood and returning the remaining components to the donor…
- Special pathogen A highly infectious agent that produces severe disease in humans. Special pathogens include the viruses that…
- ICD Implantable cardiac defibrillator, a device that is put within the body and is designed to recognize certain…
- Diaphragm (contraceptive) A barrier method of contraception that is available by prescription only and must be sized by a health…
- Vein, external jugular The more superficial of the two jugular veins situated on each side of the neck. The other is the internal…
- Uridine monophosphate (UMP) A molecular ion derived from uridylic acid. It has a uracil as its base
- Pathologic fracture A bone broken, not by trauma alone, but so weakened by disease as to break with abnormal ease. Pathologic…
- Disease, mitochondrial >An eye disease called Leber's hereditary optic atrophy; >A type of epilepsy called MERRF which stands for…