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).
Deafness
Deafness: Deafness is defined by partial or complete hearing loss. Levels of hearing impairment vary from a mild but important loss of sensitivity to a total loss of hearing. Older adults suffer most often from hearing loss. Age-related…
Read the definitionRandom terms
Show more- Autoradiography A technique using X- ray film to visualize molecules or fragments of molecules that have been radioactively…
- Fingers, six The presence of an extra finger, a very common congenital malformation (birth defect). This condition is…
- Pharma food A food product with a pharmacological additive meant to improve health, for example, to lower cholesterol
- Reduction division The first cell division in meiosis, the process by which germ cells are formed. A unique event in which the…
- Cytomegalovirus (CMV) A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted…
- Congenital defect A birth defect.
- Premature contraction See: Extrasystole
- Alopecia Baldness. There are many types of alopecia, each with a different cause. Alopecia may be localized to the…
- Transfusion The transfer of blood or blood products from one person (the donor) into another person (the recipient's)…
- Onset In medicine, the first appearance of the signs or symptoms of an illness as, for example, the onset of…
- Spider telangiectasia Spider veins.
- Test, Brazelton A widely used test of the newborn baby as to their neurologic status and developmental progress. The…