Bones and joints Kritchai Bespinyowong
Functions of the bone 1. Support 2. Protection 3. Movement 4. Storage 5. Blood cell formation
Classification of bone Long bone Miniature long bone
Classification of bone Short bone
Classification of bone Flat bone
Classification of bone Irregular bone
Classification of bone Pneumatic bone
Parts of long bone Epiphysis Diaphysis (shaft) Epiphyseal plate (Epiphyseal cartilage) Articular cartilage Periosteum Compact bone Spongy bone Endosteum Medullary cavity
Structure in skull cap Outer table Inner table Diploe
Bone marrow 1. Red marrow : hematopoietic cells found in vertebrae, hip bone and sternum all life 2. Yellow marrow : fatty tissue > hematopoietic cells
Chemical compositions of bone 1. Organic matter : 30% connective tissue fiber 2. Inorganic matter : 70% calcium, phosphorus
Cartilage ไม่แข็งเหมือน bone มีความยืดหยุ่น ตัดขาดได้ เปลี่ยนแปลงรูปร่างได้ มี perichondrium หุ้มอยู่รอบนอก แบ่งเป็น 3 ชนิด คือ Hyalin cartilage White fibrocartilage Yellow fibrocartilage (Elastic cartilage)
น้ำตกผาน้ำผ่า ป่าปิด ภูกระดึง
Joints Joints are junctions between the bones (or between the bone and cartilage)
Classification of joints 1. Fibrous joints 2. Cartilagenous joints 3. Synovial joints
Fibrous joints Plane suture
Fibrous joints Serrate suture
Fibrous joints Squamous suture
Fibrous joints Gomphosis
Fibrous joints Syndesmosis
Cartilagenous joints Synchondrosis
Cartilagenous joints Symphysis
Synovial joints Articular cartilage Articular capsule - Fibrous capsule - Synovial membrane Synovial fluid Articular disc : fibrocartilage
Synovial joints Gliding joint
Synovial joints Saddle joint
Synovial joints Ball and socket joint
Synovial joints Condyloid joint
Synovial joints Hinge joint
Synovial joints Pivot joint
Synovial joints Ellipsoid joint
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