1. A formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth
   "The tree's cambium produced new wood and bark each year"
    
2. (anatomy) the inner layer of the periosteum, containing cells that can develop into osteoblasts for bone formation; also called cambium layer
   "The cambium of the periosteum plays a crucial role in bone healing and growth"

Derived forms: cambiums, cambia

Type of: stratum, vascular tissue

Part of: periosteum

Encyclopedia: Cambium