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).
Coccus
A bacterial cell which has the shape of a sphere. Coccus enters into the name of a number of bacteria. For example, enterococcus, meningococcus, pneumococcus, staphylococcus, and streptococcus
Read the definitionRandom terms
Show more- Pathy A suffix derived from the Greek 'pathos' meaning 'suffering or disease' that serves as a suffix in many terms…
- Antiinfective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Intern In medicine, a doctor who has completed medical school and is engaged in a year of additional training at a…
- Nonsense mutation A mutation (a change) in a base in the DNA that prematurely stops the translation (reading) of messenger RNA…
- Microscopy, cryo-electron See: Cryo-electron microscopy
- Nasal Having to do with the nose. Nasal drops are intended for the nose, not (for example) the eyes. The word…
- Postulates, Koch's In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Congenital synostosis of cervicothoracic vertebrae See: Klippel-Feil sequence
- Clone Literally a fragment, the word in modern medical science has come to mean a replica, for example, of a group…
- Isotope A form of a chemical element with the same atomic number as another element but having a different atomic…
- National Institute of Neurological Disorders Stroke (NINDS): One of the National Institutes of Health in the U.S., the NINDS's mission is to 'support and…
- AC joint Acromioclavicular joint located between the acromion (a projection of the scapula that forms the point of the…