MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Smooth muscle
One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the supporting tissue of blood vessels and hollow internal organs such as the stomach, intestine, and bladder. So named because of the absence…
Read the definitionRandom terms
Show more- Mechanical ventilation Use of a machine called a ventilator or respirator to improve the exchange of air between the lungs and the…
- Hyperthermia, malignant A series of potentially fatal problems that can occur during surgery, malignant hyperthermia is caused by a…
- Excisional Pertaining to the act of excision, of removal by surgery. An excisional biopsy is one in which the lesion is…
- Internal genitalia, female See: Female internal genitalia
- Haploid A set of chromosomes containing only one member of each chromosome pair. The sperm and egg are haploid and…
- Diurnal Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can…
- Vertebrae The preferred plural of vertebra. (The alternate plural is vertebras.) See also: Cervical vertebrae…
- Obesity-related disease Any disease for which obesity is a significant risk factor. Obesity increases the risk of developing a very…
- CNPs Copy number polymorphisms
- Prospective study A study in which the subjects are identified and then followed forward in time
- QRS complex The deflections in the tracing of the electrocardiogram (ECG or EKG), comprising the Q, R, and S waves, that…
- Aneurysm, berry A berry aneurysm is a small outpouching (aneurysm) that looks like a berry and classically occurs at the…