Compléter KIDNEYVersion en ligne FILL ME par SRI HARYANTI KHIR ANUAR 1 The kidneys are surrounded by layers of tissue . The renal fascia is a thin , outer layer of fibrous tissue that surrounds each kidney ( and the attached adrenal gland ) and fastens it to surrounding structures . The capsule is a middle layer of adipose ( fat ) tissue that the kidneys . The renal capsule is an inner fibrous membrane that prevents the entrance of .