MATLAB: How ro make a cross section for a meshplot

mesh crossection

i just ploted a Sphere with a hole and i wanted to make the cross section von x-z axis .here there are the Code of my sphere.
phi=linspace(0.52,2.62,30); theta=linspace(0,2*pi,40); [theta,phi]=meshgrid(theta,phi); rho=2; X=rho*sin(phi).*cos(theta); Y=rho*sin(phi).*sin(theta); Z=rho*cos(phi); mesh(X,Y,Z,'EdgeColor','blue') hold on z=linspace(-sqrt(3),sqrt(3),40); theta=linspace(0,2*pi,40); [z,theta]=meshgrid(z,theta); r=1; x=r.*cos(theta); y=r.*sin(theta); mesh(x,y,z,'EdgeColor','red')
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