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).
Vasodilators
Agents that act as blood vessel dilators (vasodilators) and open vessels by relaxing their muscular walls. For example, nitroglycerin is a vasodilator. So are the ACE (angiotensin converting enzyme) inhibitors.
Read the definitionRandom terms
Show more- Low-set ear An ear positioned below its normal location. Classified as a minor anomaly. Technically, the ear is low-set…
- Oxygenating Pertaining to the addition of oxygen, as to the human body. Oxygenating may refer to the process of treating…
- Glaucoma treatment (medical) Although glaucoma cannot be cured, it can usually be controlled. Medical treatment can be in the form of…
- Crick, Francis British biologist (1916-2004) who shared the 1962 Nobel prize in Medicine and Physiology with James Watson…
- Hormone, androgenic Any hormone that promotes the development and maintenance of the male sex characteristics. Testosterone is an…
- Alpers disease A progressive disease of the nervous system characterized by spasticity (tightness), myoclonus and dementia…
- Aerosol 1. In general, a fine mist or spray which contains minute particles.2. In medicine, a spray administered by a…
- Syndrome, carcinoid A syndrome due to carcinoid tumor which secretes large amounts of the hormone serotonin. The syndrome is…
- Blister agent See: Vesicant
- Hypercalcemia A higher-than-normal level of calcium in the blood. This can cause a number of nonspecific symptoms…
- Shin bone fever Fever: Called shin bone fever because it characteristically causes fever and pain in the legs, this disease…
- SAMHSA The Substance Abuse and Mental Health Services Administration, a part of the U.S. Public Health Service, that…