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Tne S-Keletal System 



A. Introduction 



1. Definition 



2. Generalized or basic embryonic skeleton; its origin and significance 



a. Basic condition of the skeletal system 



b. Origin of the primitive ghost skeleton 



1) Notochord and subnotochordal rod 



2) Origin of the mesenchyme of the early embryonic skeleton 



c. Importance of the mesenchymal packing tissue of the early embryo 



B. Characteristics and kinds of connective tissues 



1. Connective tissue proper 



a. Fibrous types 



1) Reticular tissue 



2) White fibrous tissue 



3) Elastic tissue 



b. Adipose tissue 



2. Cartilage 



a. Hyaline cartilage 



b. Fibrocartilage 



c. Elastic cartilage 



3. Bone 



a. Characteristics of bone 



b. Types of bone 



c. Characteristics of spongy bone 



d. Compact bone 



C. Development of skeletal tissues 



1. Formation of the connective tissue proper 



a. Formation of fibrous connective tissues 



b. Formation of adipose or fatty connective tissue 



2. Development of cartilage 



3. Development of bone 



a. Membranous bone formation 



b. Endochondral and perichondrial (periosteal) bone formation 



1 ) Endochrondral bone formation 



2) Perichondrial (periosteal) bone formation 



c. Conversion of cancellous bone into compact bone 



D. Development (morphogenesis) of the endoskeleton 

 1. Definitions 



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