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).
Elevated hemidiaphragm
Elevation of half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that serves as the main muscle of respiration. The elevation of a hemidiaphragm is a significant sign of a problem. That problem may lie…
Read the definitionRandom terms
Show more- Agonist, LHRH A compound that is similar to LHRH (luteinizing hormone-releasing hormone) in structure and is able to it…
- Sac, egg See: Egg sac
- Immunization, flu The flu (influenza) vaccine is recommended for persons at high risk for serious complications from influenza…
- Stress exercise thallium scan Stress exercise thallium scan: A method of examining the heart to obtain information about the blood supply…
- Galeophobia An abnormally large and persistent fear of sharks. Sufferers from this phobia experience anxiety even though…
- Stereotaxis Use of a computer and scanning devices to create three-dimensional pictures. This method can be used to…
- Cholelithiasis 1. The presence of stones in the gallbladder or common bile duct. 2. The process of formation of such stones…
- T-suppressor cells T cells that express the CD8 transmembrane glycoprotein (CD8+ T cells). They close down the immune response…
- Nurse assistant A person who has completed a brief health-care training program, and who provides support services for RNs…
- Blood-thinner A common name for an anticoagulant agent used to prevent the formation of blood clots. Blood-thinners do not…
- ALS8 See: Amyotrophic lateral sclerosis 8
- Plan B Brand name for a progestin-only emergency contraceptive designed to prevent pregnancy within 72 hours after a…