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).
Reflex, pressor
A pressor reflex is a neurological (nerve) reflex that constricts arterioles (small blood vessels) and thereby increases the blood pressure. 'Pressor' refers to raising the blood pressure. The word comes from the French 'presser' meaning…
Read the definitionRandom terms
Show more- Alopecia Baldness. There are many types of alopecia, each with a different cause. Alopecia may be localized to the…
- Echocardiography, stress Stress: A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound…
- Syndrome, goiter-deafness See Pendred syndrome
- Gland, thyroid See: Thyroid gland
- Baker cyst Baker cyst: A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac…
- Anatripsis The use of friction as a treatment modality for a medical condition. Anatripsis may or may not also involve…
- Avian tuberculosis See: Tuberculosis, avian
- Morton metatarsalgia See: Morton's neuroma
- Assembly and budding A portion of the processes by which new HIV is formed in infected host cells. Viral core proteins, enzymes…
- Aggressive lymphoma A lymphoma that tends to grow and spread quickly and cause severe symptoms. In contrast to an indolent or…
- Expectoration A big polysyllabic word for sputum or the act of bringing up and spitting out sputum. From the Latin…
- Keratitis, rosacea See: Rosacea keratitis