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).
Head, optic nerve
The circular area in the back of the inside of the eye where the optic nerve connects to the retina
Read the definitionRandom terms
Show more- Right ventricle The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it…
- Neck dissection A surgical procedure in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to…
- Verbal child abuse Child abuse: Also known as emotional child abuse, this is the third most frequently reported form of child…
- Syndrome, Hurler An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- Sense of smell See Olfaction
- CML, juvenile See: Juvenile myelomonocytic leukemia
- Hirudotherapy The use of leeches for medical therapy. Sometimes referred to as the 'treatment that sucks.' From hirudin…
- Decubitus Lying down. A decubitus ulcer is a bed sore, the consequence of lying in one position too long. The Latin…
- Moisturize To dampen; to replenish lost liquid; to add vapor; to humidify. 'Moisturize' usually suggests that the thing…
- DVT (deep vein thrombosis) Blood clotting in the veins of the inner thigh or leg. In air travel, DVT is the 'economy-class syndrome.'…
- Menopause Menopause: The time in a woman's life when menstrual periods permanently stop; it is also called the 'change…
- ALMS1 A gene on chromosome 2p13. Alstrom syndrome is caused by mutation of ALMS1