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).
Lumbar radiculopathy
Nerve irritation caused by damage to the discs between the vertebrae. Damage to the disc occurs because of degeneration ('wear and tear') of the outer ring of the disc, traumatic injury, or both. As a result, the central softer portion of…
Read the definitionRandom terms
Show more- Fixative A medium such as a solution or spray that preserves specimens of tissues or cells. Most biopsies and…
- Titre Variant spelling of 'titer' -- the degree of dilution of a substance such as an antibody, reflecting the…
- Wharton's jelly A gelatinous substance within the umbilical cord. Wharton's jelly is a rich source of stem cells. Named for…
- Dacryo- A combining form denoting tears, as in dacryocyst (tear sac) and dacryocystorhinostomy (surgery to open up a…
- Fava bean The broad bean to which many people react adversely with an acute hemolytic anemia with sudden breakup of red…
- Macrobiotic diet A diet concept that incorporates Ayurvedic principles of food combining, relies mainly on whole grains and…
- Barium enema Barium enema: A series of x-rays of the lower intestine (colon) and rectum that are taken after the patient…
- Quadriplegia Paralysis of all four limbs, both arms and both legs, as from a high spinal cord accident or stroke.
- Viral particle See: Virion
- Biotechnology The fusion of biology and technology. Biotechnology is the application of biological techniques to product…
- Gene deletion The total loss (or absence) of a gene. Gene deletion plays a role in birth defects and in the development of…
- Foramina of Luschka Opening from the fourth ventricle, one in a system of four communicating cavities called ventricles within…