Which patholgocal diagnosis is correct？[img=717x838]1803a0388f370b5.jpg[/img] A: Concentric hypertophy of right ventricle B: Concentric hypertophy of left ventricle C: Eccentric hypertriophy of left ventricle D: Eccentric hypertriophy of right ventricle

Which patholgocal diagnosis is correct? [img=717x838]180331e0e79a90e.jpg[/img] A: .Concentric hypertophy of right ventricle B: Concentric hypertophy of left ventricle C: Eccentric hypertriophy of left ventricle D: Eccentric hypertriophy of right ventricle

GUNN提出的景区同心圆模型（The Concentric Rings Model）包括（ ）

Valve guide supports the valve stem and guides its movement so that the valve face remains perfectly concentric with the valve seat and fits it without any skewing.

Which of the following in NOT true of the nuclear envelope? () A: The nuclear envelope is exactly like other cellular membranes. B: The nuclear envelope separates the genetic material from the cytoplasm. C: The nuclear envelope is a pair of concentric membranes. D: The nuclear envelope is studded with pores.