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).
Arrhythmias, atrial
Abnormal heart rhythm due to electrical disturbances in the atria (the upper chambers of the heart) or the AV node 'relay station', leading to fast heart beats. Examples of atrial arrhythmias includes atrial fibrillation, atrial flutter…
Read the definitionRandom terms
Show more- Single-masked See: Single-blind
- Yeast A group of single-celled fungi that reproduce by budding. Most yeast are harmless (some are used in baking…
- Neuropathy, diabetic See: Diabetic neuropathy
- ErbB1 See: EGFR
- Drop attack See: Atonic seizure
- Gene-expression profiling A genomic technique that based on the fact that only a fraction of the genes encoded in the genome of a cell…
- Neutral posture The posture when the joints are not bent and the spine is aligned and not twisted. Working in neutral…
- Mutation, germline Mutation, germline: A heritable change in the DNA that occurred in a germ cell (a cell destined to become an…
- PA-C Physician Assistant - Certified
- Oncogene 1. A gene that played a normal role in the cell as a proto-oncogene and that has been altered by mutation and…
- Follicular cyst of the ovary A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…
- Disorder, central auditory processing A condition in which there is an inability to differentiate, recognize or understand sounds while both the…