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.
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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).
Trait, sickle cell
A person who possess one copy of the gene for sickle cell anemia. This person carries the gene but does not have the disease. If two people with sickle cell trait have children together, each of their children has a one in four chance…
Read the definitionRandom terms
Show more- Rumination 1. Regurgitating food after a meal and then swallowing and digesting some of it. Cattle and other ruminant…
- EGF Epidermal growth factor. A polypeptide (small protein) that is a powerful mitogen. (It stimulates cells to…
- Chronic tamponade A situation in which a chronic excess of fluid inside the pericardial sac and thickening of the pericardial…
- Radioisotope A version of a chemical element that has an unstable nucleus and emits radiation during its decay to a stable…
- Anion gap A measurement of the interval between the sum of 'routinely measured' cations minus the sum of the 'routinely…
- Scalp ringworm Ringworm: A superficial fungus infection of the skin, affecting the scalp. Also known as ringworm. It appears…
- Sydenham, Thomas (1624-1689) Great English physician who has been called the 'English Hippocrates' and the 'father of English…
- Dacryocyst The lacrimal sac; tear sac. The dilated (widened) upper end of the nasolacrimal duct, the passageway that…
- Snake stick A stick or rod with a snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…
- Blind 1. Unable to see. Without part or all of the sense of sight.2. In a clinical trial, not to know the treatment…
- Pachyonychia Elephant nail, a fingernail or toenail that is abnormally thick. From the Greek pachys, thick + onyx, nail =…
- Bone, cuboid The cuboid bone is the outer bone in the instep of the foot. It is called the cuboid bone because it is…