Hedgehog Proteins

**Definition:** A family of intercellular signaling proteins that play an important role in regulating the development of many TISSUES and organs. Their name derives from the observation of a hedgehog-like appearance in DROSOPHILA embryos with genetic mutations that block their action.

**Tree numbers:** - D12.644.276.671 - D12.776.467.671 - D23.529.671

**Synonyms:** - Hedgehog Protein