👉 Echonoderm, which means "bone" in Greek, is a type of cartilage that typically appears in infants and children. It's characterized by the presence of loose or non-elastic bone tissue, making it fragile and prone to fracture.
👉 Echonoderm, which means "bone" in Greek, is a type of cartilage that typically appears in infants and children. It's characterized by the presence of loose or non-elastic bone tissue, making it fragile and prone to fracture.
