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).
Cell, stem
An ancestral cell, the most primitive type of cell. Stem cells are relatively unspecialized (undifferentiated) cells that are characteristically of the same family type (lineage). They retain the ability to divide throughout life and give…
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Show more- Lindane An organochlorine pesticide and nerve poison. Also a suspected carcinogen (cancer-causing agent). Although…
- Platelet An irregular, disc-shaped element in the blood that assists in blood clotting. During normal blood clotting…
- Giant cell pneumonia Pneumonia: Also known as Hecht's pneumonia, this is a deadly but fortunately rare complication of measles. It…
- Cryostat A chamber that can maintain very low temperatures. Medical laboratories use a cryostat to preserve frozen…
- Aneurysm, abdominal An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dilatation) of an…
- Emetophobia An abnormal and persistent fear of vomiting. Sufferers of emetophobia experience undue anxiety even though…
- Celebrity diets Celebrity diets are weight loss plans that are reportedly endorsed by or used by celebrities. There are many…
- Laser A powerful beam of light that can produce intense heat when focused at close range. Lasers are used in…
- Cell, helper A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- God bless you Interjection used especially when someone has sneezed. In this situation, 'God bless you' is more or less…
- Tinea barbae A superficial fungal infection of the skin, affecting the bearded area of the face and neck, with swellings…
- Acustimulation Mild electrical stimulation of acupuncture points done to control symptoms such as nausea and vomiting