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Vertebrate Zoology

Tissue Types

Collagen Tough, fibrous protein; Earliest skeletal support; Ancestral pre-vertebrate; Provides matrix for vertebrate skeletons; Rigid, not elastic
Cartilage Avascular and unorganized; Formed of chondrocytes; Can be hardened with mineralization; Formed majority of endoskeletons of early vertebrates
Bone Vascular and organized into osteons; formed of osteocytes; Vascular nature allows nutrients and waste to be moved; Two Types
Two Types of Bone Dermal bone in dermis of skin, exoskeleton; Endochondral for internal skeleton, of cartilage descent
Enamel and Dentine First on scales of agnathan; Hard dermal plates in bone
Created by: LionsandGiants