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).
Marker chromosome
An abnormal chromosome that is distinctive in appearance but not fully identified. A marker chromosome is not a 'marker' of a specific disease. It is a marker chromosome merely in the sense that it can be distinguished under the microscope…
Read the definitionRandom terms
Show more- Contralateral On the other side. The contralateral breast is the breast on the other breast. A stroke affecting the right…
- Organic 1. A chemical compound that contains carbon.2. Related to an organ.3. Grown or prepared without the use of…
- Val . Valine. See also: Amino acid symbols
- Aqueduct A channel for the passage of fluid.
- Red ear syndrome An unusual type of head pain in which the ear becomes red and burning. Attacks may be brought on by triggers…
- Fracture, stress A fracture caused by repetitive stress, as may occur in sports, strenuous exercise, or heavy physical labor…
- Hydrostatic weighing See: Underwater weighing
- Irradiation The use of high-energy radiation from x-rays, gamma rays, neutrons, and other sources to kill cancer cells…
- Cancer anorexia Loss of desire to eat due to cancer. Cancer anorexia contributes to malnutrition, increases morbidity…
- Vein, varicose See: Varicose vein
- Insomnia Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of…
- GOLD-3 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…