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).
Hexosaminidase A
An enzyme which, when deficient, causes Tay-Sachs disease, a progressive fatal neurologic disorder concentrated in people of European Jewish (Ashkenazi) descent. See: Tay-Sachs disease
Read the definitionRandom terms
Show more- Food Any substance eaten to provide nutritional support for the body
- Eye bank A place to store corneas (the clear 'front window' of the eye) for use in future keratoplasty (surgery to…
- Beta cell A type of cell in the pancreas. Within the pancreas, the beta cells are located in areas called the islets of…
- Lingual 1. Having to do with the tongue. 2. Next to the tongue. In dentistry, the tooth surface next to the tongue…
- Propylthiouracil (PTU) A drug that blocks the production of thyroid hormone by the thyroid gland. PTU is used to treat…
- Therapeutic Relating to therapeutics, that part of medicine concerned specifically with the treatment of disease. The…
- Lumbar Referring to the 5 lumbar vertebrae which are situated below the thoracic vertebrae and above the sacral…
- Step therapy The practice of beginning drug therapy for a medical condition with the most cost-effective and safest drug…
- Antidote An agent that counteracts a poison and neutralizes its effects. A chemical antidote is a substance that…
- Fire ant sting A scourge, these red or yellow ants of small-to-medium size, originally from South America, have a severe…
- Peromyscus maniculatus See: Deer mouse
- MM In medicine, the abbreviation for meningomyelocele (spina bifida), malignant melanoma, and multiple myeloma…