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).
Appendix cancer
A malignancy of the appendix, accounting for about 1 in 200 of all gastrointestinal malignancies. Although unusual, cancer of the appendix can range in type. The most common type of appendiceal cancer is carcinoid tumor with adenocarcinoma…
Read the definitionRandom terms
Show more- Shoulder blade The familiar flat triangular bone at the back of the shoulder. Known familiarly as the wingbone or…
- Primary teeth The first teeth which are shed and replaced by permanent teeth. The first primary tooth comes in at about 6…
- Syndrome, Klinefelter A chromosome condition in boys and men that is usually due to their having 47 chromosomes with XXY sex…
- Sesamoiditis Inflammation of a sesamoid bone. Since the patella (kneecap) is a sesamoid bone, inflammation of the patella…
- Tomo- Or tom- before a vowel. A combining form meaning a cut, section, or layer, as might be achieved by cutting or…
- Sweat chloride test Sweat chloride test: A test for cystic fibrosis. See: Sweat test.
- True cramp A cramp that involves part or all of a single muscle or group of muscles that usually act together such as…
- Premature menopause Premature menopause: Menopause (permanent cessation of menses) occurring before age 40 due to ovarian…
- Immunization, infectious hepatitis See Immunization, hepatitis A
- Lithotomy position Position in which the patient is on their back with the hips and knees flexed and the thighs apart. The…
- Disease, Huntington An hereditary disorder with mental and physical deterioration leading to death. Although characterized as an…
- Amyotrophic lateral sclerosis 7 ALS7. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner due to mutation…