Scientists recognize four different subspecies of painted turtles: eastern, southern, midland and western. As evidenced by fossils found in the central United States, painted turtles have inhabited the region for at least 15 million years.
Definition of fundus. plural. fundi. play \ËfÉn-ËdÄ«, -ËdÄ\. : the bottom of or part opposite the aperture of the internal surface of a hollow organ: such asa : the greater curvature of the stomachb : the lower back part of the bladderc : the large upper end of the uterusd : the part of the eye opposite the pupil.
The fundus of the eye is the interior surface of the eye opposite the lens and includes the retina, optic disc, macula, fovea, and posterior pole. The fundus can be examined by ophthalmoscopy and/or fundus photography. The term fundus may also be inclusive of Bruch's membrane and the choroid. fundus photo, showing the optic disc as a bright area on the right where blood vessels converge. The spot to the left of the centre is the macula. The grey, more diffuse spot in the centre is a shadow artifact.