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).
Lichenification
Thick, leathery skin, usually the result of constant scratching and rubbing. With prolonged rubbing or scratching, the outer layer of the skin (the epidermis) becomes hypertrophied (overgrown) and this results in thickening of the skin and…
Read the definitionRandom terms
Show more- Elbow, tennis A painful injury to the tendon that is attached to the outer part of the elbow due to repetitive twisting of…
- Sulci The plural of sulcus
- Lung reduction surgery A surgical treatment for patients with advanced emphysema in which 20-35% of the emphysematous lung is…
- Ventricle A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the…
- Pneumosilicosis See: Silicosis
- Bell's palsy Paralysis of the facial nerve, the nerve that supplies the facial muscles on one side of the face. Bell's…
- Septum, cardiac The cardiac septum is the dividing wall between the right and left sides of the heart. That portion of the…
- Eosinophilic meningitis Meningitis with a high percentage of eosinophils (a type of white blood cell) in the cerebrospinal fluid…
- Coitus Sexual union of a male and a female; also called sexual intercourse. Coitus begins when the male inserts his…
- LSD Lysergic acid diethylamide, an hallucinogen. LSD is an abbreviation of the German term…
- Glial fibrillary acidic protein See: GFAP.
- Phlebotomist A person who draws blood.