blood - testis barrier中最重要的结构是

blood-testis barrier

Structure of blood testis barrier, excluding: A: capillary endothelium and basement membrane B: connective tissue C: seminiferous basement membrane D: spermatogonium E: close connection of Sertoli cells

Which<br/>is wrong about the structure of testis? () A: Thetunica<br/>albuginea is thickened on the posterior<br/>surface of<br/>testis to form mediastinum B: The<br/>fibrous septa from mediastinum<br/>penetrates radially the testis, dividing it into pyramidal lobules C: Each<br/>lobule is occupied by 1-4 seminiferous tubules D: Theseminiferous<br/>tubules go into mediastinum testis to form rete testis E: The tubulus<br/>rectus go into mediastinum testis to form rete testis

The efferent ductules of testis empty into the() . A: rete testis B: epididymis C: ductus deferens D: straight tubules E: seminiferous tubules

In the embryonic stage, the testis is located in the scrotum.

The function of the testis is to produce sperm and male hormones, the following structure which produces sperm is ( ). A: Tubulus rectus B: Interstitial cell C: Convoluted seminiferous tubule D: Mediastinum testis

The main function of calcitonin is A: increase blood calcium and blood phosphorus B: decrease blood calcium and blood phosphorus C: decrease blood calcium and increase blood phosphorus D: increase blood calcium and decrease blood phosphorus E: involve in the normal calcium regulation

Directions: Please read the following sentences and choose the correct answers.A test to check your blood is called a ________.? blood type;|blood test ;|blood;trial;|;blood vessel

Skin and mucous membrane paleness is mainly seen in A: Decrease of bilirubin in blood B: Reduced hemoglobin in blood C: Increase of bilirubin in blood D: Increase of reduced hemoglobin in blood E: Decrease of hemoglobin in blood