能分泌类固醇激素的是： A: nephron B: pancreas islet C: corpus luteum D: thymic corpuscle E: renal corpuscle

The formation site of primary urine is :() A: Renal corpuscle B: Renal tubule C: Collecting duct D: Renal corpuscle and renal tubule E: Renal tubule and collecting duct

The composition of nephrons does not include A: renal corpuscle B: proximal tubule C: collecting duct D: distal tubule

Does not contain in the cortical labyrinth A: Renal corpuscle B: Proximal convoluted tubule C: Distal convoluted tubule D: Thin segment

In spleen, the thymus-dependent area is A: splenic cord B: splenic corpuscle C: periarterial lymphatic sheath D: splenic sinus E: marginal zone