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).
Cortisol
The primary stress hormone. Cortisol is the major natural GLUCOCORTICOID (GC) in humans
Read the definitionRandom terms
Show more- Dacry- Combining form used before a vowel to denote a relationship to tears. See: Dacryo-
- Pinworm infection Pinworm infection: An infection caused by a small, white intestinal worm: the pinworm or, more formally…
- Denervate To deprive of the nerve supply. Denervate is the opposite of innervate
- Allergic rhinitis, perennial Allergic rhinitis (hay fever) that occurs throughout the year
- Septum, nasal The dividing wall within the nose. The nasal septum runs down the middle of the nose creating two sides to…
- Microtubule motor See: Microtubule motor protein
- Atonic seizure A seizure in which the person suddenly loses muscle tone and strength and, unless supported, falls down. Also…
- Vasomotor Relating to the nerves and muscles that cause the blood vessels to constrict or dilate
- Snuffbox, anatomical A hollow seen on the radial aspect (the thumbside) of the dorsum (the back) of the wrist when the thumb is…
- Test, stress echocardiography A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound waves of…
- Hypertrophic cardiomyopathy See: Giant hypertrophic gastritis.
- Cryoprobe A surgical probe, a long slender pointed surgical instrument, used to apply extreme cold to tissues. From…