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).
Phosphorus
An essential element in the diet and a major component of bone. Phosphorus is also found in the blood, muscles, nerves, and teeth. It is a component of adenosine triphosphate (ATP), the primary energy source in the body
Read the definitionRandom terms
Show more- Brain, fornix of the An arching fibrous band in the brain connecting the two lobes of the cerebrum. (The cerebrum is the largest…
- Bulbourethral gland Also called Cowper's gland. A pea-sized gland in the male located behind and to the side of the urethra that…
- Truncate To shorten, to cut short. A malformation (birth defect) may truncate a limb. A mutation may create a stop…
- Resistance, insulin See: Insulin resistance
- Knee The knee is a joint which has three parts. The thigh bone (the femur) meets the large shin bone (the tibia)…
- Fat scales See: Bioelectric impedance analysis
- Gene, transporter A gene that allows drugs to enter cells or, in some cases, acts to keep them out. Transporter genes may…
- Anovulatory Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory…
- Heart disease Heart disease: Any disorder that affects the heart. Sometimes the term 'heart disease' is used narrowly and…
- Allopathic medicine The system of medical practice which treats disease by the use of remedies which produce effects different…
- False positive A result that is erroneously positive when a situation is normal. An example of a false positive: a…
- Lithotomy Surgical removal of a stone, especially a kidney or bladder stone. From the Greek roots litho-, stone + tome…