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).
Eczema, seborrheic
Yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body
Read the definitionRandom terms
Show more- Clitoridectomy See Clitorectomy
- Infantile systemic hyalinosis A genetic disorder characterized at birth or soon afterwards by painful swollen joint contractures and red…
- Index, body mass (BMI) An index that relates body weight to height. The body mass index (BMI) is obtained by dividing a person's…
- Reaction, hibernation See: SAD
- Tryptophan An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, tryptophan is…
- Sawbones Slang name for a surgeon and, in particular, an orthopaedic surgeon (who may have 'sawed bones' on the…
- Retrograde amnesia Amnesia in which the lack of memory relates to events that occurred before a traumatic event. Retrograde…
- Disease, Jakob-Creutzfeldt A transmissible degenerative brain disorder technically termed spongiform encephalopathy. Eating 'mad cow'…
- Antibody-dependent cell-mediated cytotoxicity An immune response in which antibody, by coating target cells, makes them vulnerable to attack by immune…
- Menarche The time in a girl's life that menstruation first begins. During the menarche period, menstruation may be…
- Periostitis Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps…
- Radiation therapy, internal Radiation therapy in which a small container of radioactive material is implanted in the body, in or near the…