MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Blastocyst
A thin-walled hollow structure in early embryonic development that contains a cluster of cells called the inner cell mass from which the embryo arises. The outer layer of cells gives rise to the placenta and other supporting tissues needed…
Read the definitionRandom terms
Show more- Angiotensin receptor blocker See: Angiotensin II receptor blocker
- Fear of dogs An abnormal and persistent fear of dogs. Sufferers of this fear experience anxiety even though they realize…
- Fats Plural of the word 'fat'. See the definition of fat
- Frey syndrome Sweating on one side of the forehead, face, scalp, and neck occurring soon after ingesting food as a result…
- Childhood translocation 11 leukemia A new type of childhood leukemia in which a piece of chromosome 11 has been translocated (broken off and…
- Open-label trial A clinical trial in which researchers and participants know which drug or vaccine is being administered
- Klumpke's palsy See: Klumpke palsy
- Colon syndrome, nervous A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Pallister-Killian syndrome A condition with multiple malformations at birth and mental retardation due to isochromosome 12p mosaicism…
- Kb Abbreviation for kilobase
- Magendie, foramen of An opening from the fourth ventricle, which is one in a system of four communicating cavities called…
- Filler An inactive substance used to make a product bigger or easier to handle. For example, fillers are often used…