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).
Helicobacter heilmannii
A bacteria that infects most cats, dogs and pigs and, in them, causes stomach inflammation (gastritis). H. heilmannii is not usually transmitted from animals to people. But people who have been infected by H. heilmannii are known to have…
Read the definitionRandom terms
Show more- Red cell distribution width A measurement of the variability of red blood cell size. Higher numbers indicate greater variation in size…
- Keratitis Inflammation of the cornea (the transparent structure in the front of the eye).
- MS/MS Abbreviation for tandem mass spectrometry. See: Tandem mass spectrometry
- Subacute Rather recent onset or somewhat rapid change. The term 'subacute' is used in contrast to acute which…
- Radiologist A physician specialized in radiology, the branch of medicine that uses ionizing and nonionizing radiation for…
- Arms An appendage in anatomy and in clinical trials. See: Arm
- Micro- Prefix derived from the Greek 'mikros' meaning small. Examples of the many biomedical terms containing…
- Cranial nerve, ninth The ninth cranial nerve is the glossopharyngeal nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- CMT Charcot-Marie-Tooth disease
- Reporting, unique identifier In public health, a system that uses information such as the person's birth date and part of their…
- Radiation therapy, external Radiation therapy in which the source of radiation is a machine outside the body
- Polydactyly More than the normal number of fingers or toes. From the Greek 'polys' (many) + 'dactylos' (finger) = many…