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).
Eclosion
The emergence of an adult insect from its pupal case, or the hatching of an insect larva from an egg. From the French eclosion, from eclore, to open
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Show more- American Association for Advancement of Science Spoken of as the 'triple-AS', the American Association for the Advancement of Science is an organization…
- Exanthem A rash. The word 'exanthem' comes from the Greek 'exanthema' which means 'a breaking out.' 'Anthos' in Greek…
- Gland, prostate A gland within the male reproductive system that is located just below the bladder. Chestnut shaped, the…
- Effusion Too much fluid, an outpouring of fluid. A hemorrhagic effusion is one that has blood within the fluid. A…
- Overbreathing See: Hyperventilation
- Fixative A medium such as a solution or spray that preserves specimens of tissues or cells. Most biopsies and…
- ASCUS An acronym for Atypical Squamous Cells of Undetermined Significance. This term is used in the Bethesda System…
- Labyrinth The maze of canals in the inner ear. The labyrinth is the portion of the ear that is responsible for sensing…
- AAD American Association of Dermatology, one of many important professional societies in the health arena. The…
- ThinPrep Pap test A modified Pap test technique designed to reduce some of the technical problems inherent in the traditional…
- Benign prostatic hyperplasia See: Benign prostatic hyperplasia.
- Desquamation The shedding of the outer layers of the skin. For example, once the rash of measles fades, there is…