The vitreous.
D000818:Animals; D005128:Eye Diseases; D006470:Hemorrhage; D006801:Humans; D009929:Organ Size; D011817:Rabbits; D012160:Retina / Q000033:anatomy & histology; D014822:Vitreous Body / Q000002:abnormalities / Q000033:anatomy & histology / Q000196:embryology / Q000601:surgery