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).
Hg
Symbol for the metallic element mercury. The abbreviation 'mm Hg' means millimeters of mercury, the height of a column of mercury, as in a blood pressure reading. Mercury is poisonous to people. See Mercury poisoning.
Read the definitionRandom terms
Show more- CK The military designation for cyanogen chloride. See: Cyanide
- Defensive medicine Medical practices designed to avert the future possibility of malpractice suits. In defensive medicine…
- Primary care provider In insurance parlance, a physician chosen by or assigned to a patient, who both provides primary care and…
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…
- Pancreas, annular An abnormal ring of pancreatic tissue that encircles the duodenum and often causes intestinal obstruction…
- Chromosome 4p- syndrome The 4p- syndrome or Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the short…
- STD Sexually transmitted disease
- Amnion A thin membrane surrounding the fetus during pregnancy. The amnion is the inner of the two fetal membranes…
- Parkinson's disease Parkinson's disease: See: Parkinson disease.
- Hypoxic Pertaining to hypoxia, a subnormal concentration of oxygen.
- PROC Protein C
- Neurosis, hypochondriacal See: Hypochondriasis