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).
Amplification
Making multiple copies of a gene or of any sequence of DNA. Repeated copying of a piece of DNA. In amplification there is an increase in the number of copies of any particular piece of DNA. Gene amplification plays a role in cancer cells…
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Show more- Biliary atresia Congenital absence or closure of the major bile ducts, the ducts that drain bile from the liver. Biliary…
- Rhythm, sinus The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- Virus, attenuated To attenuate is to weaken or to make (or become) thin. The word derives from a combination of the Latin…
- Dialysis Dialysis: The process of cleansing the blood by passing it through a special machine. Dialysis is necessary…
- Perinatal transmission Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the…
- Pigmented villonodular synovitis A benign proliferative form of monoarthritis (arthritis in just one joint) that can occurs at any age but is…
- Prefix, medical See: Medical prefix
- Apert syndrome acrocephalosyndactyly An inherited disorder causing abnormalities of the skull, face and hands and feet. There is premature closure…
- CABG, off-pump See: Off-pump CABG
- Skeletal muscle One of three types of muscle tissue in the body (skeletal, smooth, cardiac) which represents the majority of…
- Tonic-clonic seizure The classic type of epileptic seizure consisting of two phases to a tonic-clonic seizure -- the tonic phase…
- Mastectomy, radical Removal of all breast tissue, from just under the collar bone to the abdomen, including the chest wall…