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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Metaphase chromosome
A chromosome in the stage of the cell cycle (the sequence of events in the life of a cell) when a chromosome is most condensed and easiest to distinguish and so to study. Metaphase chromosomes are often chosen for karyotyping and for…
Read the definitionRandom terms
Show more- Microalbuminuria 1. Generally, a subtle increase in the urinary excretion of the protein albumin that cannot be detected by a…
- Amuck See: Amok
- Wind chill See: Round window.
- Seed implantation Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly…
- Zygote The cell formed by the union of a male sex cell (a sperm) and a female sex cell (an ovum). The zygote…
- Genomic imprinting The phenomenon of parent-of-origin gene expression. The expression of a gene depends upon the parent who…
- Atelectasis Failure of full expansion of the lung at birth or a collapse thereafter of the lung. The word comes from the…
- Prothrombin mutation 20210A See: Prothrombin mutation G20210A
- Coeval Of the same or equal age or duration. For example, the two elderly men were coeval with one another. Coeval…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Infant vitamin requirements Vitamins are organic substances that are essential in minute quantities for the proper growth, maintenance…
- GB virus C A virus first identified in 1995 that is genetically related to the hepatitis C virus but which does not…