Sonic hedgehog
= Sonic hedgehog
{c}
A signalling protein important in <vertebrate> pattern formation, including the <limb>. Signal duration, position and responding tissue affect interpretation of digit-patterning experiments.
= Sonic hedgehog
{c}
A signalling protein important in <vertebrate> pattern formation, including the <limb>. Signal duration, position and responding tissue affect interpretation of digit-patterning experiments.