- division into metameres, the developmental process of somite formation.
- existence in a metameric state.
Examples from the Web for metamerism
In Chiton the renal organs are not affected by the metamerism as they are in Nautilus.
In accordance with the metamerism of Nautilus already noticed, there are two pairs of renal organs.
The only other example which we have of this metamerism in the Mollusca is presented by the Chitons.
In the articulates the metamerism is chiefly external—an articulation of the body wall.The Wonders of Life|Ernst Haeckel