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).
Oral contraceptive
A birth control pill taken by mouth. Most oral contraceptives include both estrogen and progesterone. When given in certain amounts and at certain times in the menstrual cycle, these hormones prevent the ovary from releasing an egg for…
Read the definitionRandom terms
Show more- Pyarthrosis Infectious arthritis. Pyarthrosis is typically caused by a bacterial infection in the joint. Diagnosis is…
- Polygenic disease A genetic disease caused by the combined actions of two or more genes. Examples of polygenic diseases include…
- Nail care Care of the fingernails and toenails. Many nail problems are due to poor nail care. Recommendations for…
- Proband The family member through whom a family's medical history comes to light. For example, a proband might be a…
- Freckles Freckles: See: Freckle.
- Red cell distribution width A measurement of the variability of red blood cell size. Higher numbers indicate greater variation in size…
- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- Vibrotactile aid A mechanical instrument that helps individuals who are deaf to detect and interpret sounds through their…
- Blot, Western A technique in molecular biology, used to separate and identify proteins. Called a Western blot merely…
- Linkage map A map of the genes on a chromosome based on linkage analysis. A linkage map does not show the physical…
- Lumen A luminous term referring to the channel within a tube such as a blood vessel or to the cavity within a…
- Capsule of Glisson See Glisson's capsule