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).
Descending pathway
A nerve pathway that goes down the spinal cord and allows the brain to control movement of the body below the head. In contrast, ascending pathways are nerve pathways that go upward from the spinal cord toward the brain carrying sensory…
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Show more- Fever, hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Alkaptonuria Alkaptonuria: A genetic metabolic disorder due to deficiency of the enzyme homogentisic acid (HGA)…
- Passive immunity Immunity produced by the transfer to one person of antibodies that were produced by another person…
- Sudden infant death with dysgenesis of testes Abbreviated SIDDT. For more, see: SIDDT
- Varicocele A common scrotal condition characterized by elongation and enlargement of the network of veins leaving the…
- Clap Gonorrhea, a bacterial infection transmitted by sexual contact. Gonorrhea is one of the oldest known sexually…
- Wesand See: Weasand
- Itching, anal See: Anal itching
- Connexin A subunit of connexon, a protein that forms a gap junction, a channel that permits ions and small molecules…
- Neonatal sepsis A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be…
- Ulcer, esophageal A hole in the lining of the esophagus (tube-like organ leading from the throat to the stomach) corroded by…
- Mastoid The rounded protrusion of bone just behind the ear once thought to look like the breast. The word comes from…