Fundus (Latin for "bottom") is an anatomical term referring to that part of a concavity in any organ, which is at the far end from its opening. It may refer to: Anatomy Fundus (brain), the deepest part of any sulcus of the cerebral cortex Fundus (eye), the interior surface of the eye, opposite the lens, and including the retina, optic disc, macula and fovea, and posterior pole Fundus camera, equipment for photographing the interior of the eye Fundus photography Fundus (stomach), the portion of the stomach which bulges up past the point of entry of the esophagus Fundus (uterus), the top portion, opposite from the cervix Fundus of gallbladder, the portion of the gallbladder which lies the farthest from the cystic duct Fundus of the urinary bladder Other uses Fundus (seabed), the seabed in a tidal river below low water mark