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).
Effusion, pericardial
See: Pericardial effusion
Read the definitionRandom terms
Show more- Absenteeism The frequent absence from work or other duty without good reason. See also: Presenteeism
- CpG island In molecular genetics, a short region of DNA rich in CpG sites, often located near the promoters of genes…
- Vision therapy The use of special eye exercises to address eye defects, such as strabismus. Some vision therapists also…
- Standard of care 1. A diagnostic and treatment process that a clinician should follow for a certain type of patient, illness…
- Chronic disease A disease that persists for a long time. A chronic disease is one lasting 3 months or more, by the definition…
- CALLA Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
- Diarrhea Diarrhea: A familiar phenomenon with unusually frequent or unusually liquid bowel movements, excessive watery…
- Prominent vertebra The 7th cervical (neck) vertebra (C7) is sometimes called the prominent vertebra because of the length of its…
- Oxygenating Pertaining to the addition of oxygen, as to the human body. Oxygenating may refer to the process of treating…
- Fusion, spinal See: Spinal fusion
- Thrombocythemia An abnormally high number of platelets in the blood. Also known as thrombocytosis.
- Varicella rash Rash: Varicella (chickenpox) is characterized by a rash, often the first sign of the disease. The rash of…