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).
Lymphadenitis, regional
Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of short duration, due to cat scratches, especially from kittens. There is usually a little bump (a papule) which may be pus-filled (a…
Read the definitionRandom terms
Show more- Tumor registry Recorded information about the status of patients with tumors. Although a registry was originally the place…
- Exacerbate To make worse. For example, smoking may exacerbate systemic lupus erythematosus
- Nerve, hypoglossal The hypoglossal nerve is the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…
- Hamartoma, hypothalamic A benign tumor of the hypothalamus, the area of the brain that controls body temperature, hunger, and thirst…
- Test, sweat chloride See: Sweat test
- Teres minor muscle >The teres minor muscle; >The infraspinatus muscle, which (like the teres minor) helps in the outward turning…
- Superior vena cava A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- James Watson See: Watson, James
- Capillary One of the tiny blood vessels that connect the arterioles (the smallest divisions of the arteries) and the…
- Flying with diabetes A concern for patients with diabetes is flying with medications and supplies. Letters from doctors are not…
- Aorta, thoracic The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically…
- Dx Abbreviation standing for diagnosis, the determination of the nature of a disease. Dx may alternatively be…