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).
Chaperone
Dry, cracked or sore lips, usually in cold, windy, dry weather and less often in warm weather. Sun exposure can contribute to chapping of the lips. Licking or biting the lips does not help the situation. The lips are more sensitive to…
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Show more- Snake antivenin Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin…
- THG Tetrahydrogestrinone. A 'designer steroid.' THG first surfaced in October 2003 with reports of its illicit…
- Myeloid leukemia, acute Myeloid leukemia, acute: A quickly progressive malignant disease in which there are too many immature…
- Weight loss Weight loss is a decrease in body weight resulting from either voluntary (diet, exercise) or involuntary…
- Immunization, Td Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus
- Stickler syndrome A relatively common genetic disorder characterized by very flexible (hyperextensible) joints, typical facial…
- Brachial palsy See: Brachial plexus palsy
- Stereotactic radiotherapy Radiation therapy in which a number of precisely aimed beams of ionizing radiation coming from different…
- Low blood sugar A low blood level of the sugar glucose. Also called hypoglycemia. Hypoglycemia is only significant when it is…
- Cervical cerclage The surgical placement of a purse-string suture around an incompetent cervix, one that is abnormally liable…
- Nodes, Osler's A diagnostic sign of bacterial infection of the heart (subacute bacterial endocarditis). These are small (the…
- Frozen shoulder Frozen shoulder: Constant severe limitation of the range of motion of the shoulder due to scarring around the…