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).
Lesion
Pronounced 'lee-sion' with the emphasis on the 'lee,' a lesion can be almost any abnormality involving any tissue or organ due to any disease or any injury. There are, not surprisingly, many types of lesions. There are also a number of…
Read the definitionRandom terms
Show more- Hypopigmented Underpigmented.
- Syndrome, dyskeratosis congenita An inherited cause of bone-marrow failure, dyskeratosis congenita is a syndrome characterized by abnormal…
- Hemorrhagic diarrhea, E. coli Bloody colitis (inflammation of the bowel) caused by E. coli, usually by the strain E. coli 0157:H7. The…
- Foramen A natural opening. Although a foramen is usually through bone, it can be an opening through other types of…
- Serotype The kind of microorganism as characterized by serologic typing (testing for recognizable antigens on the…
- Injury, cold Cold injuries include chilblains, 'trench foot,' and frostbite. Cold injuries occur with and without freezing…
- Ocular melanoma See: Melanoma, ocular
- Agitated depression A major depressive disorder with restlessness and motor excitement. Agitated depression was once called…
- Cancer, cervical See: Cervical cancer
- Kashin-Beck disease A disorder of the bones and joints of the hands and fingers, elbows, knees, and ankles of children and…
- Control (genetic) The control of gene expression. Genetic control may be on the transcriptional or translational level…
- Eyelids, congenital ptosis of the Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…