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).
Afferent nerve
A nerve that carries impulses toward the central nervous system (CNS). The opposite of an afferent nerve is an efferent nerve that carries impulses away from the CNS
Read the definitionRandom terms
Show more- Subarachnoid hemorrhage Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…
- Thrombocyte A platelet. Crucial to normal blood clotting. Although platelets are sometimes classed as blood cells, they…
- LDL (low-density lipoprotein) A molecule that is a combination of lipid (fat) and protein. Lipoproteins are the form in which lipids are…
- Cancer, uterine See: Uterine cancer
- Fong disease See Nail-patella syndrome
- Rhythm method Also known as fertility awareness, natural family planning, and periodic abstinence, this approach to…
- Disease, alveolar hydatid See Nail-patella syndrome.
- Charles Darwin See: Darwin, Charles
- Sternal rib One of the first 7 pairs of ribs. A rib is said to be a 'sternal' rib or a 'true' rib if it attaches to the…
- Parkinson, James (1755-1824) English physician and paleontologist who gave a classic account in 1817 of a chronic, slowly…
- Tomography, computerized axial Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Hansen bacillus Mycobacterium leprae, the agent of leprosy (Hansen disease)