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).
Ear, outer
There are three sections of the ear. They are the outer ear, the middle ear, and the inner ear. The outer ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible…
Read the definitionRandom terms
Show more- Disease, adult celiac This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- Y-linked gene A gene on the Y chromosome. (Y-linkage is analogous to X-linkage (the presence of a gene on the X chromosome)…
- Phlebotomus fever See: Sandfly fever
- Fear of having a malformed child An abnormal and persistent fear of bearing a malformed child is termed teratophobia. A phobia is an…
- Pain, shoulder See: Shoulder pain
- Vocal cord One of two small bands of muscle within the larynx. These muscles vibrate to produce the voice. The vocal…
- Cardiac arrest A medical emergency with absent or inadequate contraction of the left ventricle of the heart that immediately…
- Ophthalmic veins The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- Base sequence analysis A method for determining the order of nucleotide bases in DNA
- Keratitis Inflammation of the cornea (the transparent structure in the front of the eye).
- Cyclops A common freshwater crustacean. Some species of Cyclops serve as hosts for parasites such as the guinea worm…
- Deficiency, niacin See: Pellagra