BIOL 235 Chapter 9 | Q&A Latest 2024/2025 | 100% pass

BIOL 235 Chapter 9 | Q&A Latest 2024/2025 | 100% pass What is an articulation? - Answer -A joint (or arthrosis); a point of contact between 2 bones, a bone and cartilage, or bone and teeth What are the 2 main ways joints are classified? - Answer -Structurally (based on anatomical characteristics) and functionally (based on type of movement) What are the different structural classifications of joints? - Answer - Structural joints are classified based on presence or absence of a synovial cavity and tissue type Fibrous: no synovial cavity, dense irregular connective tissue (rich in collagen) Cartilaginous: no synovial cavity, cartilage Synovial: synovial cavity present, dense irregular connective tissue (of articular capsule and accessory ligaments) What are the different functional classifications of joints? - Answer - Functional joints are classified by the degree of movement they permit Synarthrosis: an immovable joint Amphiarthrosis: a slightly movable joint Diarthrosis: a freely movable joint with a variety of shapes and sizes (all are synovial joints)What is a fibrous joint? - Answer -A joint in which articulating bones are held very close together, permits little or no movement What are the 3 main types of fibrous joints? - Answer -Suture: made of a thin layer of dense irregular connective tissue, only occur between skull bones where interlocking edges give strength and absorb shocks (synostosis: a bony joint with complete fusion of 2 bones with no movement; frontal/metopic suture: persists beyond age 6)