Noun
One of the bony, cartilaginous, or membranous partitions which separate the myotomes.
Source: Webster's dictionarySomites give rise to the myotome (muscle tissue), sclerotome (cartilage and bone), and dermatome (subcutaneous tissue of the skin). Source: Internet
The notochord and the neural tube activate the protein SHH which helps the somite to form its sclerotome. Source: Internet
The cells of the sclerotome express the protein PAX1 that induces the cartilage and bone formation. Source: Internet