Which does not belong to seminiferous tubule? ()
A. Sertoli cell
B. interstitial cell
C. spermatogonium
D. primaryspermatocyte
E. spermatid
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Which is wrong about the structure of testis? ()
A. Thetunica albuginea is thickened on the posterior surface of testis to form mediastinum
B. The fibrous septa from mediastinum penetrates radially the testis, dividing it into pyramidal lobules
C. Each lobule is occupied by 1-4 seminiferous tubules
D. Theseminiferous tubules go into mediastinum testis to form rete testis
E. The tubulus rectus go into mediastinum testis to form rete testis
Nephron is composed of ()
A. renal corpuscle, medullary loop
B. proximal tubule, thin segment, distal tubule
C. renal corpuscle, renal tubule and collecting duct
D. renal tubule, collecting duct
E. renal corpuscle, renal tubule
which is correct about renal corpuscle? ()
A. renal tubules were dilated and formed in the cortex
B. located in the cortical labyrinth and the medullary cord
C. renal capsule and proximal tubules connected, located in the cortical labyrinth
D. Formed by renal capsule and glomerulus, located in cortical labyrinth and renal column
E. Formed by renal capsule and glomerulus, located in the medullary rays and renal column
Which is not correct about proximal convoluted tubules ? ()
A. Dense tubules and vesicles are at the top of the cell.
B. The wall is thickness, and cavity is small.
C. Brush border is on the free surface,and microvilli are short and small.
D. There are more lateral projections and interdigitate closely.
E. The plasma membrane of cells is developed
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