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).
Prostaglandin
One of a number of hormone-like substances that participate in a wide range of body functions such as the contraction and relaxation of smooth muscle, the dilation and constriction of blood vessels, control of blood pressure, and…
Read the definitionRandom terms
Show more- Marshall W. Nirenberg A disorder characterized by advanced bone age at birth, broad forehead, prominent eyes, and small chin. There…
- Gallbladder A pear-shaped organ just below the liver that stores the bile secreted by the liver. During a fatty meal, the…
- Leukemoid reaction A benign condition in which the high number of white blood cells found in a blood test resembles the numbers…
- Emergency code While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Antipsychotic A medication (or another measure) that is believed to be effective in the treatment of psychosis. For…
- Hormone, androgenic Any hormone that promotes the development and maintenance of the male sex characteristics. Testosterone is an…
- Chloroform A clear volatile liquid with a strong smell like ether, chloroform was once administered by inhalation to…
- Morton toe See: Morton's syndrome
- Electromyogram Electromyogram: A test used to record the electrical activity of muscles. When muscles are active, they…
- Vaccination, DPT See: DPT immunization
- Papilloma A small solid benign tumor with a clear-cut border that projects above the surrounding tissue
- Syndrome, Rothmund-Thomson See Rothmund-Thomson syndrome