Every centre of catabolism is therefore a positive pole of diffusion.
We have seen that a centre of catabolism is a hypertonic focus of diffusion.
Swelling of the spleen is caused by catabolism of the Malpighian bodies.
He thinks of the world as an animal organism subject to what are now called anabolism and catabolism.
Consider, on the other hand, a centre of catabolism, ...