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).
Schizophrenia
Schizophrenia: One of several brain diseases whose symptoms that may include loss of personality (flat affect), agitation, catatonia, confusion, psychosis, unusual behavior, and withdrawal. The illness usually begins in early adulthood…
Read the definitionRandom terms
Show more- Tear film The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that…
- Posture, neutral See: Neutral posture
- Enterocele 1. Any hernia containing small intestine. 2. Hernia (protrusion) of the small intestine into the upper wall…
- Underventilation See: Hypoventilation
- Rheumatology A subspecialty of internal medicine that involves the non-surgical evaluation and treatment of the rheumatic…
- Bone, shin The larger of the two bones in the lower leg (the smaller one being the fibula). The shin bone is…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Bypass, cardiopulmonary Bypass of the heart and lungs as, for example, in open heart surgery. Blood returning to the heart is…
- Miscarriage Miscarriage: Inadvertent loss of a pregnancy before the fetus is viable. A considerable proportion of…
- Cystine kidney stones Cystine kidney stones are due to cystinuria, an inherited (genetic) disorder of the transport of an amino…
- Advanced paternal age A man who is age 40 years or older at the time of conception. (There is no universally accepted definition of…
- Syndrome, autoimmune polyglandular (APS) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…