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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Split personality
Multiple personality disorder, a neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes dominant and controls behavior from time to time to the exclusion of the other parts
Read the definitionRandom terms
Show more- Kindercam See: Kiddie cam
- Safer sex See: Safe sex
- Biofluid A biological fluid. Biofluids can be excreted (such as urine or sweat), secreted (such as breast milk or…
- Breast cancer gene BRCA1 A gene that normally acts to restrain the growth of cells in the breast but, when mutated, predisposes to…
- Virginal membrane A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…
- Polymyalgia Pain in multiple muscles, as in polymyalgia rheumatica
- Ophthalmic migraine Migraine involving the eyes but without headache. Migraine, due to a spasm of blood vessels in the brain…
- Cancer, penis S: Cancer of the penis is a disease in which malignant cells originate in the tissues of the penis. Cancer of…
- Flavivirus A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue…
- Bifid uvula The uvula, the little V-shaped fleshy mass hanging from the back of the soft palate, is cleft or split. Cleft…
- Disease, mad deer See Chronic wasting disease
- Taeniasis Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located…