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).
Lymphoid tissue
A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid tissue is rich in lymphocytes (and accessory cells such as macrophages and reticular cells). The lymphoid tissue includes the lymph…
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Show more- Apraxia of speech A severe speech disorder characterized by inability to speak, or a severe struggle to speak clearly. Apraxia…
- DNA repair pathway The sequence of steps in the repair of DNA. Each step is governed by an enzyme.
- Epilation Removal of body hair, including the hair root, by means of electrical device, tweezer, or wax. Epilation may…
- FAE (fetal alcohol effects) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Pulmonary medicine The branch of medicine that deals with the causes, diagnosis, prevention and treatment of diseases affecting…
- Synovia The joint fluid. The term synovia was invented in 1520 by the Swiss physician (and alchemist) Paracelsus who…
- Genomic segment A region of the genome; it encompasses objects described as loci or probes. Genomic segments can range in…
- Acoustic Having to do with sound or hearing. The acoustic nerve (the 8th cranial nerve) is concerned with hearing and…
- Fish bowl granuloma Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called…
- Wamble Both a verb and noun meaning: 1. To move unsteadily; an unsteady motion. 2. To feel nauseated; a feeling of…
- Bad air Any air considered noxious. Today, air filled with tobacco smoke might be considered 'bad air.' So might air…
- Ventricle, brain >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres. Each lateral ventricle consists…