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).
Blasts
Immature blood cells. Leukemic blasts do not grow and age normally; they proliferate wildly and fail to mature
Read the definitionRandom terms
Show more- Thymus A lymphoid organ situated in the center of the upper chest just behind the sternum (breastbone). It is in the…
- Uterus cancer See: Uterine cancer
- Mumps in pregnancy Mumps vaccination is not recommended during or shortly before pregnancy because it is a live attenuated…
- Library, genomic A collection of DNA clones made from a set of randomly generated overlapping DNA fragments representing the…
- Male The traditional definition of male was 'an individual of the sex that produces sperm' (or some such)…
- Ambulatory care Medical care including diagnosis, observation, treatment and rehabilitation that is provided on an outpatient…
- Choanal stenosis Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The…
- Zenker's diverticulum See: Zenker diverticulum
- Headache, vascular A group of headaches felt to involve abnormal sensitivity of the blood vessels (arteries) in the brain to…
- Louse-borne typhus See: Typhus, epidemic
- Heteromorphism Something different in form. Chromosome heteromorphisms are normal variations in the appearance of chromosomes
- Blood pressure The blood pressure is the pressure of the blood within the arteries. It is produced primarily by the…