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).
Churg-Strauss syndrome
Churg-Strauss syndrome: A disease characterized by inflammation of small arteries and veins in persons with a history of asthma or allergy. Aside from the inflammation of blood vessels (angiitis or vasculitis), there are abnormally large…
Read the definitionRandom terms
Show more- Olfactory apparatus The entire system needed to have a sense of smell. This system involves at least 1,000 genes for the…
- Sign, Babinski A neurologic reflex that constitutes an important medical examination based upon what the big toe does when…
- Jacksonian epilepsy See: Epilepsy, Jacksonian
- PFOA Perfluorooctanoic acid. See: Perfluorinated acid
- Melasma Pigmentation of the face, most commonly on the malar area (the upper cheek), bridge of nose, forehead, and…
- Lamin A/C The lamin family of proteins that make up the nuclear lamina, a matrix of protein located next to the inner…
- Animal-to-human transplant Transplant: See Xenotransplantation
- Nucleus 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells
- Transcription Making an RNA copy from a sequence of DNA (a gene). Transcription is the first step in gene expression
- Study, gastric emptying A gastric emptying study evaluates the emptying of food from the stomach. For a gastric emptying study, a…
- Repeat In genetics, two or more adjacent copies of an identical pattern of nucleotides in the DNA, as in tandem…
- Stent A tube designed to be inserted into a vessel or passageway to keep it open. Stents are inserted into narrowed…