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).
A.c.
Abbreviation on a prescription meaning before meals; from the Latin 'ante cibum', before meals. This is one of a number of hallowed abbreviations of Latin terms that have traditionally been used in writing prescriptions. Some others: >…
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Show more- Hirudin An anticoagulant ('bloodthinner'). Hirudin is the active principle in the salivary secretion of leeches. The…
- Probiotic A microbe that protects its host and prevents disease. The best-known probiotic is Lactobacillus acidophilus…
- Radiculopathy Any disease of the spinal nerve roots and spinal nerves. It is synonymous with radiculitis. Radiculopathy is…
- SAMHSA The Substance Abuse and Mental Health Services Administration, a part of the U.S. Public Health Service, that…
- Shock, toxic See Syndrome, toxic shock.
- Flu shot The flu (influenza) vaccine is recommended annually (each year) for persons at high risk for serious…
- Error, alpha The statistical error (said to be 'of the first kind' or type I) made in testing an hypothesis when it is…
- Neuron, spindle See: Spindle neuron
- Microorchidism Abnormally small testes. To determine if the testes are too small, a device called an orchidometer is used…
- Test, inkblot A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what…
- Polyendocrinopathy syndrome, autoimmune A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Kinship Relationship by marriage or, specifically, a blood tie.