morphogens...what are they?

[kargiver]

A morphogen is  a compund that is produced in a  localized region of a
developing organism which forms a concentraction gradient as it diffuses and
which directs the organism to enter a specific developmental pathway.

Greg Raines

"Dave M. Picklyk" wrote:

> Hi, I'm doing a definintion for morphogens but I cannot find very much for
> it. Could anyone give me a hand?