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).
Deficiency, hexosaminidase A
See: Tay-Sachs disease
Read the definitionRandom terms
Show more- Taenia dentata Taenia solium
- Yellow jacket sting A sting from a yellow jacket (or other large stinging insects such as bees, hornets and wasps) can trigger…
- Catheter A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs…
- Phosphatase, acid Acid phosphatase is an enzyme that works under acid conditions and is made in the liver, spleen, bone marrow…
- Myelogenous leukemia, acute Myelogenous leukemia, acute: Abbreviated AML. Also called acute myeloid leukemia or acute nonlymphocytic…
- Sleep apnea, central A breathing disorder characterized by brief interruptions of breathing during sleep. Central sleep apnea…
- Growing pains Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…
- MADH4 A tumor suppressor gene (also known as SMAD4/DPC4) located on chromosome 18 in band 18q21 1. About 15% to 20%…
- Granuloma annulare The definition of granuloma annulare in one of the standard print medical dictionaries begins: 'a benign…
- Hemi- Prefix meaning one half, as in hemiparesis, hemiplegia, and hemithorax. From the Greek hemisus meaning half…
- Deuterium A non-radioactive isotope of hydrogen that contains a neutron in its nucleus in addition to the one proton…
- Flatfoot 1. A foot in which the arch of the instep is flattened and the entire sole touches the ground. See…