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.
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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).
Lethal gene, zygotic
A gene that is lethal (fatal) for the zygote, the cell formed by the union of a sperm (male sex cell) and an ovum (female sex cell). The zygote would normally develop into an embryo, as instructed by the genetic material within the unified…
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Show more- Dermabrasion Dermabrasion: Dermabrasion is a surgical procedure that involves the controlled abrasion (wearing away) of…
- Nickel A silver-white metallic element. Long-term exposure to nickel, such as from jewelry, can cause a form of…
- PMD Pelizaeus-Merzbacher disease
- Obsessive-compulsive personality disorder A personality disorder characterized by a pervasive preoccupation with orderliness, perfectionism, and…
- Infant mineral requirements Minerals (calcium, phosphorus, magnesium, iron, iodine, copper and zinc) and trace elements (manganese…
- Sickness, acute mountain (AMS) Acute mountain sickness (AMS) is the illness that results from being at high altitude. AMS is common at very…
- Dioscorides Dioscorides of Anazarbus. First century Greek physician, botanist and pharmacologist whose encyclopedia of…
- Scanning electron microscope Abbreviated SEM. A microscope in which a finely focused beam of electrons is scanned across a specimen, and…
- National Academy of Sciences One of the National Academies. Created in 1863 by a congressional charter approved by President Abraham…
- Karyotype A standard arrangement of the chromosome complement done for chromosome analysis. For example, a normal human…
- Genome, mustard Arabidopsis thaliana See: Arabidopsis thaliana genome
- Quality adjusted life year (QALY) A year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0…