fundus

noun fun·dus \ ˈfən-dəs \

Definition of fundus

plural fundi play \ˈfən-ˌdī, -ˌdē\

: the bottom of or part opposite the aperture of the internal surface of a hollow organ: such as

a : the greater curvature of the stomach

b : the lower back part of the bladder

c : the large upper end of the uterus

d : the part of the eye opposite the pupil

Recent Examples of fundus from the Web

Normally, a glaucoma screening requires a doctor’s visit and the use of an ophthalmoscope to view the fundus, the internal lining of the eye and measure the health of a patient’s retina.

— nathan percy, Orange County Register, "Tesoro senior’s vision for glaucoma app wins national recognition," 10 Feb. 2017
The quality, according to a press release from the university, is as good as the large fundus cameras (see image below) used in hospitals — and the new version is hand-held and 10 times cheaper.

— kristen philipkoski, WIRED, "All the Cool Ophthalmologists are Using It," 5 Mar. 2007

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fundus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.