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).
Matricectomy
The process of surgically, chemically, or electrically destroying all or part of the base nail portion called the nail matrix. Complete destruction of the nail matrix results in permanent loss of that portion of the nail. Once the nail…
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Show more- Meningitis, neoplastic A condition due to cancer that has spread from the original (primary) tumor to the meninges, the tissue…
- Fecal Relating to the feces, the stool. The excrement discharged from the intestines. From the Latin 'faex' and…
- Cloning The process of making a clone, a genetically identical copy. Cloning can refer to the technique of producing…
- Hemophilia carrier A female carrying a mutant gene for hemophilia on one of her two X chromosomes and a normal allele on her…
- Hyperplasia A condition in which there is an increase in the number of normal cells in a tissue or organ
- Vas deferens The tube connecting the testes with the urethra. The vas deferens is a coiled duct that conveys sperm from…
- Protein A large molecule composed of one or more chains of amino acids in a specific order determined by the base…
- Synapse The point of connection usually between two nerve cells. Specifically, a synapse is a specialized junction at…
- Monozygous twins Twin: Identical twins that originate from a single fertilized egg (a zygote)
- Omniscience All knowledge. Infinite awareness, understanding, and insight. Someone who (supposedly) possesses omniscience…
- Eleventh cranial nerve The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…
- Ulceration The process or fact of being eroded away, as by an ulcer