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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Juxtaglomerular apparatus
The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. The juxtaglomerular apparatus is a collective term referring to the cells near a structure called the glomerulus in the kidney. The juxtaglomerular cells are…
Read the definitionRandom terms
Show more- Ribosomal RNA A molecular component of a ribosome, the cell's essential protein factory. Ribosomal RNA (rRNA) fabricates…
- Club drug A drug such as MDMA (Ecstasy), GHB, Rohypnol, ketamine, methamphetamine, and LSD that is used by young adults…
- Fibrositis Also known as fibromyalgia. See: Fibromyalgia
- Proportional counter A device for measuring radioactivity. More technically, a proportional counter counts the emission of…
- Cerebritis Inflammation of the brain
- Cloning The process of making a clone, a genetically identical copy. Cloning can refer to the technique of producing…
- Portal vein A large vein that carries blood from the stomach and the intestines to the liver. The portal vein is formed…
- Blinded study A study done in such a way that the patients or subjects do not know (is blinded as to) what treatment they…
- Blood pressure, high Also known as hypertension, high blood pressure is, by definition, a repeatedly elevated blood pressure…
- Elevated hemidiaphragm Elevation of half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that…
- Roentgen An international unit of X-radiation or gamma-radiation. Abbreviated R. Named for Wilhelm Roentgen
- Amino acid One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…