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).
EST (expressed sequence tag)
A unique stretch of DNA within a coding region of a gene that is useful for identifying full-length genes and serves as a landmark for mapping. An EST is a sequence tagged site (STS) derived from cDNA. An STS is a short segment of DNA…
Read the definitionRandom terms
Show more- T-8 cells T cells that express the CD8 transmembrane glycoprotein (CD8+ T cells). They close down the immune response…
- Apollo In Greek mythology, often considered to be a god of healing. In stories such as The Iliad, Apollo is depicted…
- Hypnagogic hallucination A vivid dreamlike hallucination that occurs as one is falling asleep. The opposite of an hypnopompic…
- Assistant in dying See: Doula (the second meaning)
- Parathyroids, hypoplasia of the thymus and See: DiGeorge syndrome
- Dialysis Dialysis: The process of cleansing the blood by passing it through a special machine. Dialysis is necessary…
- Redux See: Dexfenfluramine
- Typhoid fever Typhoid fever: An acute illness with fever caused by infection with the Salmonella typhi bacteria contracted…
- Silica The chief component of sand and a substance responsible for lung disease and cancer. Crystalline silica of…
- Carbo-loading An eating routine used by some athletes that involves downing large amounts of carbohydrates several days…
- Olive In neuroanatomy, a rounded oval prominence on the surface of the medulla oblongata in the brain. There are…
- Restless leg syndrome Restless leg syndrome: An uncomfortable creeping, crawling, tingling, pulling, twitching, tearing, aching…