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).
Children of the night
Term applied sometimes to children with xeroderma pigmentosum, a genetic disease with such extraordinary sensitivity to sunlight that ordinary sun exposure results in the development of skin cancer at a very early age. Children with…
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Show more- Anisocytosis Excessive inequality in the size of the red blood cells. Anisocytosis ('aniso') is apparent on a blood smear…
- Focal dystonia due to blepharospasm The involuntary forcible closure of the eyelid due to spasms. The first symptoms may be uncontrollable…
- Ear piercing The practice of using a needle or needle gun to make holes through the ear lobe or other parts of the ear for…
- Abortion In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and…
- Bilateral pneumonia See: Pneumonia, bilateral
- Abdominal aorta The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Vertebrae, sacral There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- Desert fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Superficial See: Melanoma, superficial spreading.
- D & C Dilatation and curettage, a minor operation in which the cervix is expanded enough (dilatation) to permit the…
- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Upper respiratory infection An infection of the upper part of the respiratory system which is above the lungs. An upper respiratory…