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).
Hounsfield
1. Godfrey Hounsfield, a key contributor to the creation of the CAT scanner.2. The unit measuring the brightness of images that appear on a CAT scanner
Read the definitionRandom terms
Show more- Compound heterozygote The presence of two different mutant alleles at a particular gene locus, one on each chromosome of a pair…
- Test, allergy skin Allergy skin: Test done on the skin to identify the allergy substance (the allergen) that is triggering the…
- Chickenpox rash Chickenpox rash: Chickenpox is characterized by a rash, often the first sign of the disease. The rash of…
- Usher syndrome Usher syndrome: A genetic disorder characterized by hearing impairment and an eye disorder called retinitis…
- Resorb Literally, to absorb again. To lose substance. Some of a tooth may be resorbed
- Syndrome, trisomy 18 There are three instead of the normal two chromosomes #18. Children with this condition have multiple…
- Lymphocytosis Too many lymphocytes, a finding that may be a marker for infection or disease.
- Transcription Making an RNA copy from a sequence of DNA (a gene). Transcription is the first step in gene expression
- Syndrome, Witkop A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Disease, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Gain-of-function mutation A mutation that confers new or enhanced activity on a protein. Loss-of-function mutations, which are more…
- D (domain) Abbreviation for domain, a discrete portion of a protein with its own function. The combination of domains in…