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).
Optic cup
The white, cup-like area in the center of the optic disc. The optic disk is the circular area at the back of the inside of the eye where the optic nerve connects to the retina
Read the definitionRandom terms
Show more- Meniere disease Meniere disease: A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Vaccination, hepatitis B Hepatitis B: Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually…
- Glial cell A supportive cell in the central nervous system -- the brain and spinal cord. Glial cells do not conduct…
- Ocular melanoma See: Melanoma, ocular
- Heredity Genetic transmission from parent to child.
- Calipers, skin See: Skin calipers
- Prominentia laryngea The prominence of the larynx, more commonly known as the Adam's apple. This familiar feature in front of the…
- Aldosteronism Overproduction of the hormone aldosterone from the cortex (the outer layer) of the adrenal gland or a tumor…
- Treatment, palliative To palliate a disease is to treat it partially and insofar as possible, but not cure it completely…
- Adenomatous polyposis coli See: APC (meaning 3)
- Metagene A pattern of gene expression. Not an actual gene. 'We identified aggregate patterns of gene expression…