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).
Hashimoto thyroiditis
Thyroiditis: A progressive disease of the thyroid gland characterized by the presence of antibodies directed against the thyroid, and by infiltration of the thyroid gland by lymphocytes. Hashimoto thyroiditis is the most common cause of…
Read the definitionRandom terms
Show more- Buruli ulcer A disorder caused by infection with a member of the family of bacteria that causes tuberculosis and leprosy…
- Prothrombin mutation G20210A A common genetic risk factor for thrombosis (clots) including deep venous thrombosis (DVT). This mutation in…
- Medical Research Council Although little known to the general public, the American Type Culture Collection (ATCC) is a key resource…
- Retina The retina is the nerve layer that lines the back of the eye, senses light, and creates impulses that travel…
- Kala-azar A chronic and potentially fatal parasitic disease of the viscera (the internal organs, particularly the…
- Progesterone A female hormone and the principal progestational hormone that is made mainly by the corpus luteum in the…
- Sternal rib One of the first 7 pairs of ribs. A rib is said to be a 'sternal' rib or a 'true' rib if it attaches to the…
- Sinus node The sinus node is one of the major elements in the cardiac conduction system, the system that controls the…
- Osmolar In biochemistry, referring to the osmolarity, the concentration of osmotically active particles in solution…
- Septum, atrial The wall between the two upper chambers (the right and left atrium) of the heart
- APC (immunology) Antigen-presenting cell, a cell that can 'present' antigen in a form that T cells can recognize it. Among the…
- MTX Abbreviation for methotrexate