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).
Oligopeptide
A molecule composed of a few amino acids linked to one another. Oligo- means a few
Read the definitionRandom terms
Show more- Adrenoleukodystrophy A rare genetic (inherited) disorder characterized by the breakdown or loss of the myelin sheath surrounding…
- Zhitai One of the three major preparations of red yeast rice, a tradition Chinese medicine now used to lower…
- Pressor substance A substance that elevates the arterial blood pressure. For example, prostacyclin (prostaglandin PGI2) is a…
- Premature beat See: Extrasystole
- Psychosis, schizophrenia The most chronic and disabling of the major mental illnesses. Schizophrenia may be one disorder, or it may be…
- Immunodeficient Lacking immunity and so susceptible to infection.
- Familial adenomatous polyps, autosomal recessive See: MYH
- Proxy, health care A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Vein, pulmonary One of four vessels that carry aerated blood from the lungs to the left atrium of the heart. (The four are…
- K (potassium) K is the symbol for potassium, the major positive ion (cation) found inside of cells. The chemical notation…
- ZNF9 A gene that encodes a protein called zinc finger protein 9. An inherited mutation in ZNF9 causes type 2…
- Sequence, finished DNA A DNA sequence in which the bases are identified to an accuracy of no more than 1 error in 10,000 and are…