Download - Anatomy and Physiology CHAP 6
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Anatomy and Physiology, Sixth Edition
Rod R. Seeley
Idaho State University
Trent D. Stephens
Idaho State University
Philip Tate
Phoenix College
Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
*See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without notes.
Chapter 06
Lecture Outline*
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Chapter 6
Skeletal System:Bones and Bone Tissue
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Skeletal System Functions
Support
Protection
Moement Stora!e
Blood cell production
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6-"
#yaline Cartila!e
Consists o$ speciali%edcellsthat producematri&
Cells
Chondro'lasts Chondrocytes
Perichondrium(rticular cartila!e
)ro*th (ppositional
+nterstitial
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Bone Shapes
on! .pper and lo*er lim's
Short Carpals and tarsals
Flat /i's0 sternum0 skull0
scapulae
+rre!ular erte'rae0 $acial
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on! Bone Structure
iaphysis Sha$t
Compact 'one
piphysis nd o$ the 'one Cancellous 'one
piphyseal plate )ro*th plate
piphyseal line Bone stops !ro*in! in
len!th
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on! Bone Structure
Medullary caity /ed marro*
5ello* marro*
Periosteum
uter 'one sur$ace
Sharpey7s $i'ers
(ttachment
ndosteum ines 'one caities
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Flat0 Short0 +rre!ular Bones
Flat Bones 9o diaphyses0 epiphyses
Sand*ich o$ cancellous
'et*een compact 'one
Short and +rre!ular Bone Compact 'one that
surrounds cancellous
'one center
9o diaphysesand notelon!ated
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Bone #istolo!y
Bone matri& r!anic: Colla!en and proteo!lycans +nor!anic: #ydro&apatite
Bone cells
steo'lasts steocytes
steoclasts
Stem cells or osteochondral pro!enitor cells
;oen 'one: Colla!en $i'ers randomly oriented amellar 'one: Mature 'one in sheets
Cancellous 'one: Tra'eculae
Compact 'one: ense
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6-1or stora!e site$or calcium inthe 'ody
Calcium moes into 'one as osteo'lasts'uildne* 'one
Calcium moes out o$ 'one as osteoclasts 'reakdo*n'one
;hen osteoclastand osteo'lastactiity is'alanced0 the moement o$ calcium in and outis e=ual
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$$ects o$ (!in! on
Skeletal System
Bone Matri& decreases
Bone Mass decreases
+ncreased'one $ractures
Bone loss causes de$ormity0 loss o$ hei!ht0
pain0 sti$$ness
Stooped posture
oss o$ teeth
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Bone Fractures
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