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).
Transforming growth factor
(TGF) One of several proteins secreted by transformed cells that can stimulate the growth of normal cells. Transforming growth factor alpha (TGF alpha or TGF-A) binds the epidermal growth factor receptor (EGFR) and stimulates the growth of…
Read the definitionRandom terms
Show more- Neonate A newborn baby.
- Superior A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- Differential white cell count The proportions of the different types of white cells in the blood, usually split into the different types of…
- Reduction, breast See: Breast reduction
- Test, exercise cardiac stress The exercise cardiac stress test (ECST) is the most widely used cardiac (heart) screening test. The patient…
- Abuse, sexual child Child abuse comprises four basic types of mistreatment: child neglect, physical abuse of a child, emotional…
- Pulmonary vein One of four vessels that carry aerated blood from the lungs to the left atrium of the heart. (The four are…
- Syndrome, cerebrohepatorenal Syndrome, cerebrohepatorenal: A genetic disorder, which is also called the Zellweger syndrome, characterized…
- Thrive, failure to (FTT) Refers to a child whose physical growth is significantly less than that of peers. There is no official…
- HCV PCR viral detection test See: HCV PCR
- RBC Short for red blood cells, the cells that carry oxygen and carbon dioxide through the blood. This rather…
- Hypotension, postural A drop in blood pressure (hypotension) due to a change in body position (posture) when a person moves to a…