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).
Ribonucleic acid (RNA)
A combination of ribonucleic acid (RNA) and protein. In autoimmune diseases, antibodies can form against ribonucleoprotein. They are called anti-RNP antibodies.
Read the definitionRandom terms
Show more- Period, gestation The period of development of the young from the time of conception until birth. For humans the full gestation…
- Erythema multiforme See: Stevens-Johnson syndrome.
- Carotid endarterectomy Endarterectomy (a surgical procedure designed to clean out material occluding an artery) done on the carotid…
- Bronchiolitis Inflammation of the bronchioles, the airways that extend beyond the bronchi and terminate in the alveoli…
- Tophi The plural of tophus
- Erythrasma A chronic superficial slowly spreading skin infection, especially in the folds of the body and webs between…
- Paroxysmal sleep Sleep: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Leukemia, acute lymphoblastic See: Acute lymphoblastic leukemia.
- Cortical blindness Blindness due to loss or injury to the visual cortex, that section of the cerebral cortex responsible for…
- Cytokinesis 1. During cell division, the process that partitions the cellular contents including the chromosomes…
- Dicentric chromosome An abnormal chromosome with two centromeres rather than the normal one. Every normal chromosome has one…
- Housekeeping gene A gene involved in basic functions needed for the sustenance of the cell. Housekeeping genes are…