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).
Stroke, heat
Stroke, heat: Heat stroke can be LIFE-THREATENING! Victims of heat stroke almost always die, so immediate medical attention is essential when problems first begin. A person with heat stroke has a body temperature above 104° F. Other…
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Show more- Hospice care Care designed to give supportive care to people in the final phase of a terminal illness and focus on comfort…
- Syndrome, superior vena cava The symptoms that result from compression of the large vein that carries blood down to the heart. The…
- Tattoo >non-reactive pigments; >sterile, disposable needles; and >sterile work conditions. Without these…
- Psychosomatic illness The mind influences the body to create or exacerbate illness.
- Dual energy X-ray absorptometry Abbreviated DEXA. See: DXA
- Ophthalmoscope A lighted instrument, one of the most important tools of the physician, used to examine the interior of the…
- Transthyretin A plasma protein consisting of 127 amino acids that binds retinol and thyroxine. The gene TTR that encodes…
- Obtunded Mentally dulled. A person may be obtunded due to head trauma. To obtund is to dull or blunt. From the Latin…
- Exotropia Divergent gaze. Also called external strabismus or, pejoratively, wall-eyed (like a walleyed pike).
- Artificial insemination by husband (AIH) A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Alopecia areata Alopecia areata: A patchy baldness which typically begins with patchy hair loss on the scalp and sometimes…
- E. coli O157:H7 A dangerous form of Escherichia coli, the colon bacillus, a bacterium that normally lives in the human colon…