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).
Pemphigus
One of a group of chronic, relapsing autoimmune skin diseases that cause blisters and erosions of the skin and mucous membranes. The immune system mistakenly regards the cells in the skin and mucous membranes as foreign and attacks them…
Read the definitionRandom terms
Show more- Rhinitis Acute Inflammation of the nose that occurs for only a few days. Typically this is caused by a virus ('a cold'); if…
- RTS See Rett syndrome.
- Secondary atelectasis Partial or total collapse of a lung or a segment of a lung that was once expanded, as may happen after chest…
- Acute respiratory disease A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Environmental tobacco smoke Abbreviated ETS. Secondhand smoke. See: ETS.
- Parainfectious Occurring at the time of and in association with an acute infection or an episode of infection. For example…
- Syndrome, Munchhausen Syndrome, Munchhausen: Recurrent feigning of catastrophic illnesses. Munchhausen syndrome is a psychological…
- Trigger Something that either sets off a disease in people who are genetically predisposed to developing the disease…
- Reimplantation Synonymous with replantation. See: Replantation
- Navel The umbilicus, the former site of attachment of the umbilical cord, usually found in about the middle of the…
- Protein-losing enteropathy A condition in which there is excessive loss of plasma protein into the intestine. Protein-losing enteropathy…
- Tissue, lymphoid A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid…