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).
Intractable
Unstoppable. For example, intractable diarrhea or intractable pain.
Read the definitionRandom terms
Show more- Hidrotic Pertaining to hidrosis, sweating, the production of perspiration. Hidrotic ectodermal dysplasia is the form…
- Left atrium The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it…
- Bather's eruption An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Rem In radiation, Roentgen equivalent for man, a roentgen (an international unit of X- or gamma-radiation)…
- Heterochromatin Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- T-8 cells T cells that express the CD8 transmembrane glycoprotein (CD8+ T cells). They close down the immune response…
- Diabetes, juvenile-onset See Diabetes, type 1
- Gray A unit of absorbed radiation equal to the dose of one joule of energy absorbed per kilogram of matter, or 100…
- ADA deficiency Lack of normal adenosine deaminase (ADA) activity, a genetic (inherited) condition causing one form of severe…
- Abdominal muscle deficiency syndrome Partial or complete absence of the abdominal muscles so that the outlines of the intestines are visible…
- Sciatica Sciatica: Pain resulting from irritation of the sciatic nerve, typically felt from the low back to behind the…
- Thyroid stimulating immunoglobulin (TSI) A form of immunoglobulin G (IgG) that can bind to thyrotropin (TSH) receptors on the thyroid gland. TSIs…