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).
RRNA
Ribosomal RNA, a molecular component of a ribosome, the cell's essential protein factory. Strictly speaking, ribosomal RNA (rRNA) does not make proteins. It makes polypeptides (assemblies of amino acids) that go to make up proteins. A tiny…
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Show more- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- Grand rounds A formal meeting at which physicians discuss the clinical case of one or more patients. Grand rounds…
- Transdifferentiation An instrument that converts electrical energy into mechanical energy. A transducer can also act as a…
- Conception 1. The union of the sperm and the ovum. Synonymous with fertilization.2. The onset of pregnancy, marked by…
- Neurotransmitter A chemical that is released from a nerve cell which thereby transmits an impulse from a nerve cell to another…
- Tonotopic Pertaining to the spatial arrangement of where sound is perceived, transmitted, or received. There is…
- Intensive care unit psychosis A disorder in which patients in an intensive care unit (ICU) or a similar hospital setting may experience…
- MCHC Abbreviation for mean cell hemoglobin concentration, which is the average concentration of hemoglobin in a…
- Vaccination, yellow fever A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Mark of Cain The mark that God set upon Cain, the eldest son of Adam. According to the Book of Genesis in the Bible, God…
- Heart attack Heart attack: The death of heart muscle due to the loss of blood supply. The loss of blood supply is usually…
- Sarcoma One of a group of tumors usually arising from connective tissue. Most sarcomas are malignant. Many types are…