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).
Effect, founder
A population group with an unusual frequency of a gene due to there having been only a small number of original members ('founders') one or more of whom had that gene. For example, the gene for Huntington disease was introduced into the…
Read the definitionRandom terms
Show more- Menopause, natural Menopause, natural: Natural menopause occurs when the ovaries naturally decrease their production of the sex…
- Open-label A term used to describe the situation when both the researcher and the participant in a research study know…
- Rhogam Rh0 immunoglobulin, also called anti-Rh or anti-D immunoglobulin. An injectable blood product used to protect…
- MMR Stands for the measles, mumps, rubella vaccine. The MMR vaccine is now given in two dosages. The first should…
- Ampullary carcinoma Cancer of a structure called the ampulla of Vater, a small muscle located at the junction where the common…
- Brain swelling See: Cerebral edema
- Amyotrophic lateral sclerosis 6 ALS6. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner due to mutation…
- CHARGE association A constellation of congenital malformations (birth defects). The name of the condition is an acronym of some…
- Prealbumin One of several plasma proteins such as transthyretin that migrate faster than albumin in an acidic starch gel
- Intravenous pyelogram An x-ray of the kidneys and urinary tract. Structures are made visible by the injection of a substance that…
- Water blister A blister with clear watery contents that is not purulent (does not contain pus) and is not sanguineous (does…
- Neurosis, hypochondriacal See: Hypochondriasis