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).
Proteins
Large molecules composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding for the protein. Proteins are required for the structure, function, and regulation of the…
Read the definitionRandom terms
Show more- Prepatellar bursitis Inflammation of the bursa that is positioned in front of the kneecap (patella). Prepatellar bursitis commonly…
- Aspiration pneumonia Pneumonia: Infection of the lungs due to aspiration (the sucking in of food particles or fluids into the…
- Dyscrasia Any disease condition, especially in hematology, as in 'blood dyscrasias.' The term 'dyscrasia' was borrowed…
- Cell cloning The process of producing a group of cells (clones), all genetically identical, from a single ancestral cell.
- Myxedema, infantile Hypothyroidism (subnormal activity of the thyroid gland) that starts after birth and is manifest by features…
- Trochlear nerve The trochlear nerve controls the superior oblique muscle of the eye, one of the extraocular muscles, the…
- Assignment of benefits An arrangement by which a patient requests that their health benefit payments be made directly to a…
- NIAMS Stands for National Institute of Arthritis and Musculoskeletal and Skin Diseases, one of the National…
- Hornet sting Stings from hornets and other large stinging insects such as bees, yellow jackets and wasps can trigger…
- Metatarsus The part of the foot that lies just beyond the tarsus, between the tarsus and the toes. The skeleton of the…
- Pseudoparalysis, spastic Better known as Creutzfeldt-Jakob disease (CJD). A dementing disease of the brain. CJD is believed to be due…
- Blindness, legal See: Legal blindness