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).
G protein
These molecules have been described as 'biological traffic lights.' Located inside the cell, G proteins are able respond to signals outside the cell -- light, smell, hormones -- and translate (transduce) these signals into action within…
Read the definitionRandom terms
Show more- Lymphoreticulosis, benign Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of…
- Efferent vessel A vessel carrying blood away from the heart. An artery or arteriole
- Transplantation, peripheral blood stem cell A new technique in which stem cells are obtained from a patient's blood and used in bone marrow…
- Deficiency, alpha-galactosidase A See: Fabry disease
- Aldrin and dieldrin A type of still, an apparatus used in the process of distillation. Alembics were employed in chemistry and…
- Syndrome, Martorell See: Takayasu disease
- AV node An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the…
- Training, cross Doing two or more aerobic activities such as jogging, bicycling, and swimming on a regular basis
- Oculoauriculovertebral dysplasia See: Goldenhar syndrome
- Summer cold A popular term for hay fever. Although the symptoms of a 'summer cold' may be similar to those of a real…
- Ankle The ankle joint is complex. It is made up of two joints: the true ankle joint and the subtalar joint: > >The…
- Hypotonic solution A solution with a lower salt concentration than in normal cells of the body and the blood. As opposed to an…