<biology> In the insect wing, for example: there are two compartments, anterior and posterior, each containing several clones, but clones do not cross the boundary.

It seems from studies with homoeotic mutants that cells in different compartments are expressing different sets of genes. The evidence for such developmental compartments in vertebrates is sparse at present.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)