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This 10 page Class Notes was uploaded by Corina Johnson on Tuesday February 23, 2016. The Class Notes belongs to 10584 at University of Houston taught by Dr. Lawrence Williams in Spring 2016. Since its upload, it has received 17 views. For similar materials see General Biology in Biology at University of Houston.
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Date Created: 02/23/16
SKELETAL SYSTEMS FUNCTION: 1. Support for body. 2. Attachment site for musculature. 3. Articulation points for movement of the body. 4. Protection for internal organs. 5. Can be a reservoir for minerals. SKELETAL SYSTEMS TYPES OF SKELETAL SYSTEMS: 1. HYDROSKELETON; soft-bodied invertebrates. 2. EXOSKELETON; invertebrates like Arthropods. 3. ENDOSKELETON; Echinoderms (starfishes), but primarily Vertebrates. HYDROSKELETON ENDOSKELETON EXOSKELETON Vertebrate Skeleton is subdivided into to sections: Axial (green) and appendicular (brown) skeletons • Fig. 30.3A Bone Histology Bone Grow and Change • Bone growth: 1) endochondral and 2) intramembranous. • Remodeling of bone. Factors are: – Stress – Nutrition – Hormones Bones and Hormones: Calcitonin and Parathormone (PTH) and Sex Hormones Healthy bone • Osteoporosis
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