The hydraulic suspension of the Daphnia eye--a new kind of universal joint?
D000818:Animals; D003621:Daphnia / Q000033:anatomy & histology* / Q000502:physiology; D004548:Elasticity; D005123:Eye / Q000033:anatomy & histology*; D005133:Eye Movements; D007596:Joints; D008566:Membranes; D009132:Muscles / Q000033:anatomy & histology; D009799:Ocular Physiological Phenomena; D011312:Pressure; D012399:Rotation