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).
Repeat
In genetics, two or more adjacent copies of an identical pattern of nucleotides in the DNA, as in tandem repeat sequences
Read the definitionRandom terms
Show more- Nephrotic syndrome, minimal change See: Minimal change disease
- Capillary One of the tiny blood vessels that connect the arterioles (the smallest divisions of the arteries) and the…
- Myelinization The formation of the myelin sheath around a nerve fiber. Also known as myelination
- Humor, aqueous In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Pectus excavatum Caved-in or funnel chest. The Latin 'pectus' means 'chest.' The chest is excavated. It looks as if it has…
- Pre-eclampsia A condition in pregnancy characterized by abrupt hypertension (a sharp rise in blood pressure), albuminuria…
- Deoxyhemoglobin The form of hemoglobin without oxygen, the predominant protein in red blood cells. Hemoglobin forms an…
- Pott's disease An old term for tuberculosis of the spine that caused softening and collapse of the vertebrae, often…
- Plasma The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid…
- Hepatitis Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usually transmitted from person to…
- Hoarseness Hoarseness: Hoarseness is a term referring to abnormal voice changes. Hoarseness may be manifested as a voice…
- Pancreatectomy A procedure in which a surgeon takes out part or all of the pancreas (an organ behind the lower part of the…