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).
Spider telangiectasia
Spider veins.
Read the definitionRandom terms
Show more- Hemoglobin A1C The main fraction of glycosylated hemoglobin (glycohemoglobin) which is hemoglobin to which glucose is bound…
- Rossi counter An instrument used to measure the energy deposited by radiation in microscopic sites such as cells. Named for…
- Pagon syndrome Congenital anemia with spinocerebellar ataxia (wobbliness). The anemia is characterized by sideroblasts…
- Calcified granuloma A calcified granuloma is a granuloma containing calcium deposits. Since it usually takes some time for…
- Insufficiency, pancreatic See: Pancreatic insufficiency
- Galen Greek physician and philosopher (born about 129 AD, died about 210 AD) known among other things for his…
- CTS One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent…
- Mucopolysaccharidosis type VII Sly syndrome, due to deficiency of the enzyme beta-glucuronidase. See also Mucopolysaccharidosis
- Rhythm, sinus The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- PH, blood See: Blood pH
- Disease, adult celiac This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- LUL Acronym for the left upper lobe (of the lung). The left lung has but two lobes. The other lobe is naturally…