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).
Nephrectomy
The surgical removal of a kidney. A nephrectomy can be radical, simple, or partial. The kidney, the adrenal gland, nearby lymph nodes, and other surrounding tissue are removed in a radical nephrectomy. Simple nephrectomy is the removal of…
Read the definitionRandom terms
Show more- EMG Electromyogram
- Conjunctivitis, allergic Inflammation of the whites of the eyes (the conjunctivae) with itching and redness of the eyes and tearing…
- Implantable cardiac defibrillator Implantable cardiac defibrillator: A device that is put within the body and is designed to recognize certain…
- Recommended Daily Allowance Popular name for the Recommended Dietary Allowance (RDA)
- Emergency department The department of a hospital responsible for the provision of medical and surgical care to patients arriving…
- Microcytic 1. Any abnormally small cell. The opposite is macrocytic, an abnormally large cell. 2. An abnormally small…
- Reflex, let down The let down reflex of the mother is an involuntary reflex during breastfeeding which causes the milk to flow…
- SIDS with dysgenesis of testes Abbreviated SIDDT. For more, see: SIDDT
- Traumatic brain injury Brain damage from trauma. The three leading causes of death from traumatic brain injury relate to firearms…
- Category two hurricane A hurricane with winds 96-110 mph (83-95 kt or 154-177 km/hr). Storm surge generally 6-8 feet above normal…
- ECST ECST stands for the exercise cardiac stress test, the most widely used cardiac (heart) screening test. In an…
- Cranial nerve X The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…