human_reference_atlas has characterizing marker set has marker component GJC2 secondary lens fiber CL:0002225 secondary lens fibre A lens fiber cell that develops from primary lens fiber; located towards the center of lens; cell organelles are normally degraded or in the process of being degraded. mature fiber cell 2010-09-07T10:53:39Z mature fiber cell CT lens fiber cell Homo sapiens sequence collection lens nucleus lens of camera-type eye eye