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).
Dizygotic twin
A twins who have shared a common uterine environment with its twin but is due to a different fertilized ovum. Dizygotic twins are also called fraternal twins.
Read the definitionRandom terms
Show more- Lithobid See: Lithium
- Psychology, social The study of the mind and mental processes, particularly as regards social interactions, focusing on the ways…
- Pneumonectomy An operation to remove an entire lung or part of a lung
- Error, beta The statistical error (said to be 'of the second kind' or type II) made in testing an hypothesis when it is…
- Fever, jail See: Typhus, epidemic
- Spondylosis Degeneration of the disc spaces between the vertebrae. This finding in the spine is commonly associated with…
- Angiitis, allergic granulomatous See: Churg-Strauss syndrome
- Botulism Botulism: An uncommon but potentially very serious illness, a type of food poisoning, that produces paralysis…
- Menopause transition Menopause transition: A woman can usually tell if she is approaching menopause because her menstrual periods…
- Idiopathy A disease or medical condition of unknown origin or which has no apparent cause. As in the idiopathy of…
- Quadriplegic Pertaining to quadriplegia (paralysis of all four limbs -- both arms and both legs), as from a high spinal…
- Warshaw See: Warshaw, Joseph