Lecture 5 Sep-22-2011 chapter 6 updated

Lecture 5 Sep-22-2011 chapter 6 updated - io2870 Chapter6...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
io - 2870 ntroduction to Anatomy and Physiology Chapter  6 Osseous Tissue and Bone Structure
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
2 Osseous Tissue and Bone Structure 6-1  FUNCTIONS         Protection  Protection          Leverage  Leverage  9/22/2011
Background image of page 2
3 Osseous Tissue and Bone Structure Bone Shapes Sutural bones Are small, irregular bones Are found between the flat bones  of the skull Irregular bones Have complex shapes  Examples: spinal vertebrae,  pelvic bones  Short bones Are small and thick Examples: ankle and wrist bones 6-2 Classification of Bones 9/22/2011
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
4 Osseous Tissue and Bone Structure Bone Shapes Flat bones Are thin with parallel surfaces Are found in the skull, sternum,  ribs, and scapulae Long bones Are long and thin Are found in arms, legs, hands,  feet, fingers, and toes  Sesamoid bones Are small and flat Develop inside tendons near  joints of knees, hands, and feet 6-2 Classification of Bones 9/22/2011
Background image of page 4
5 Osseous Tissue and Bone Structure 6-2  BONE CLASSIFICATIONS I. STRUCTURE A. LONG BONE 9/22/2011
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
6 Osseous Tissue and Bone Structure Structure of a Long Bone Diaphysis  The shaft  A heavy wall of compact bone, or dense bone A central space called medullary (marrow)  cavity Epiphysis  Wide part at each end Articulation with other bones Mostly spongy (cancellous) bone  Covered with compact bone (cortex) Metaphysis  Where diaphysis and epiphysis meet 6-2 Classification of Bones 9/22/2011
Background image of page 6
7 Osseous Tissue and Bone Structure 6-2  BONE CLASSIFICATIONS I. STRUCTURE B. FLAT BONE 9/22/2011
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8 Osseous Tissue and Bone Structure 6-3 Bone (Osseous) Tissue Characteristics of Bone Tissue Dense  matrix , containing Deposits of calcium salts Osteocytes (bone cells)  within  lacunae  organized  around blood vessels Canaliculi   Form pathways for blood vessels Exchange nutrients and wastes Periosteum   Covers outer surfaces of bones  Consists of outer  fibrous  and inner  cellular  layers 9/22/2011
Background image of page 8
9 Osseous Tissue and Bone Structure 6-3 Bone (Osseous) Tissue Matrix Minerals Two thirds of bone matrix is  calcium phosphate , Ca 3 (PO 4 ) 2 Reacts with  calcium hydroxide , Ca(OH) 2   To form crystals of  hydroxyapatite , Ca 10 (PO 4 ) 6 (OH) 2 Which incorporates other calcium salts and ions Matrix Proteins One third of bone matrix is protein fibers ( collagen ) 9/22/2011
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
10 Osseous Tissue and Bone Structure 6-3  MICROSCOPIC BONE STRUCTURE
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 41

Lecture 5 Sep-22-2011 chapter 6 updated - io2870 Chapter6...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online