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Functions of the Skeletal System EXAM STUDY GUIDE NCTA QUESTIONS WITH SOLVED ANSWERS 100
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Functions of the Skeletal System EXAM STUDY GUIDE NCTA QUESTIONS WITH SOLVED ANSWERS 100
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8/13/24, 3:58 AMFunctions of the Skeletal System
Jeremiah
Terms in this set (27)
Skeletal System Consists of bones, cartilage, tendons, and ligaments
Supports body, protects organs, allows body movements, stores minerals and fats, site
Functions of the Skeletal System
of blood cell production
Cartilage Produced by chondroblasts, contains collagen fibers and proteoglycans
Perichondrium Surrounds cartilage, outer layer contains fibroblasts, inner layer contains chondroblasts
Cartilage Growth Occurs by appositional and interstitial growth
Bone Histology Study of bone structure and composition
Bone Matrix Collagen provides flexible strength, hydroxyapatite provides compressional strength
Osteoblasts produce bone matrix and become osteocytes, osteoclasts break down
Bone Cells
bone
Ossification Formation of bone through appositional growth
Woven Bone Collagen fibers oriented in many directions, remodeled to form lamellar bone
Lamellar Bone Arranged in thin layers with collagen fibers oriented parallel to one another
Spongy Bone Has many spaces, trabeculae provide structural strength
Compact Bone Dense, with few spaces, consists of organized lamellae
Structure of a long bone, diaphysis, epiphyses, medullary cavity, red and yellow
Bone Anatomy
marrow, periosteum, endosteum
Structure of Flat, Short, and Irregular Bones Outer covering of compact bone surrounding spongy bone
Bone Development Intramembranous and endochondral ossification
Intramembranous Ossification Skull bones, part of mandible, and diaphyses of clavicles develop from membranes
Endochondral Ossification Most bones develop from a cartilage model
Bone Growth Increase in size by appositional growth
Growth in Bone Length Epiphyseal plate growth results in increased length of diaphysis and bony processes
Growth at Articular Cartilage Articular cartilage growth results in larger epiphyses
Functions of the Skeletal System
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