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).
Transient ischemic attack (TIA, Mini-Stroke)
Transient ischemic attack (TIA, Mini-Stroke): A neurological event with the signs and symptoms of a stroke, but which go away within a short period of time. Also called a mini-stroke, a TIA is due to a temporary lack of adequate blood and…
Read the definitionRandom terms
Show more- Bed blocker A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient…
- Hereditary ALS See: Familial ALS
- Toxic multinodular goiter Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess…
- Immune complex A cluster of interlocking antigens and antibodies forming a large network of molecules. Also called an…
- Erosion An erosion is an eating away of a surface. ('Erodere' in Latin means to eat out.) For example, a skin erosion…
- Peptidyl-prolyl cis/trans isomerase An enzyme also known as Pin1. See: Pin1
- Bone, occipital See: Occipital bone
- Occult Hidden. Occult blood is hidden from the eye but is nonetheless present and can be detected by chemical tests…
- Test, allergy scratch Allergy scratch: Test done on the skin to identify the allergy substance (the allergen) that is the trigger…
- Quadrant A quarter. For example, the liver is in the right upper quadrant of the abdomen.
- Fever, yellow See: Yellow fever
- Proximal See: Myotonic dystrophy type 2.