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).
Posterior
The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that regulates the amount of light entering the eye by adjusting the size of the pupil. The lens is the transparent biconvex body in the…
Read the definitionRandom terms
Show more- Douching Using water or a medicated solution to clean the vagina. Vaginal douching has been done for many, many years…
- Periodontal The word 'periodontal' literally means 'around the tooth.' Periodontal diseases are bacterial infections that…
- Fungistatic Capable of inhibiting the growth of fungi
- Short arm of a chromosome The short arm of a human chromosome is symbolized by convention as 'p'. The 'p' comes from the French 'petit'…
- Access 1. In general, a means of approaching something. 2. In health care, the opportunity or right to receive…
- Polymorphic light eruption A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a…
- MECP2 (methyl-CpG-binding protein-2) An enzyme which, when mutated, results in RTT (Rett syndrome), a genetic disease that is a uniform and…
- Cuboid bone The cuboid bone is the outer bone in the instep of the foot. It is called the cuboid bone because it is…
- Essential tremor Uncontrollable shaking (tremor) of the hands and head and sometimes other parts of the body. Essential tremor…
- Nerve, eighth cranial The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- NIAAA (Nat'l Inst. on Alcoh. Abuse and Alcoholism) Sm: The National Institute on Alcohol Abuse and Alcoholism is one of the National Institutes of Health (NIH)…
- Hump, dowager An outward curvature of the vertebrae of neck, creating a hump at the back of the neck, once thought to be a…