Chapter 7: 7.1-7.3

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DesLee26
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117579
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Chapter 7: 7.1-7.3
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2011-11-20 09:09:15
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Anatomy Physiology
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  1. Bones are __.
    Each bone is made up of several types of __ and is an __.
    • very active tissues
    • tissues/ organs
  2. Bones differ in __ and __, yet are __ in several ways.
    • shape/ size
    • similar
  3. Bone Structure:
    1) Expanded ends of bones that form joints with adjacent bones are called __.
    2) __ (__) cover the __.
    3) The __ of the bone is the _.
    4) A tough layer of vascular connective tissue, called the __, covers the bone and is continuous with __ and __.
    5) A bone's __ makes possible its __; bony __ indicate places of __ for __.
    6) __ makes up the wall of the _; the __ are filled with __ that __ of the skeleton.
    7) the __ contains a __ that is lined with __ and filled with __.
    • epiphses
    • articular cartilage/ hyaline cartilage/ epiphyses
    • shaft/ diaphysis
    • periosteum/ tendons and ligaments
    • shape/ function/ processes or grooves/ attachment/ muscles
    • compact bone/ diaphysis/ epiphyses/ spongy bone/ reduce the weight
    • diaphysis/ hollow medullary cavity/ endosteum/ marrow
  4. Microscopic Structure
    1) Bone cells (__) are located within __ that lie in __ around __.
    2) __ communicate with each other by cellular processes in __.
    3) Intercellular material consists of __ and __.
    4) In __, __ and __ are organized into __ that are cemented together.
    5) __ contain __ and __, and extend __ through bone.
    6) __ are interconnected by __.
    7) Unlike compact bone, the __ and __ in __ are not arranged in __.
    • osteocytes/ lacunae/ concentric circles/ osteonic canals
    • osteocytes/ canaliculi
    • inorganic salts/ collagen
    • compact bone/ osteocytes/ intercellular material/ osteons
    • osteonic canals/ blood vessels/ nerve fibers/ longitudinally
    • osteonic canals/ transverse perforating canals
    • osteocytes/ intercellular material/ spongy bone/ osteonic canals
  5. Bone Development and Growth
    A) Bones for my replacing __ tissue in the __.
    B) Some form within sheetlike layers of connective tissue (__), while others replace masses of __ (__).
    • connective/ fetus
    • intramembranous bones/ cartilage/ endochondral bones
  6. __
    A) THe flat bones of the skull form as __ that develop from layers of connective tissue.
    B) __ deposit __ tissue around themselves
    C) Once __ deposit bone located in __, they are called __.
    D) Cells of the __ that lie outside the developig bone give rise to the __.
    • intramembranous bones
    • intramembranous bones
    • osteoblasts/ boy
    • osteoblasts/ lacunae/ osteocytes
  7. __
    A) Most of the bones of the __ fall into this category.
    B)They first develop as __ and are then replaced with __.
    C) __ is broken down in the __ and progressively replaced wtih bone while the preiosteum develops on the outside.
    D) Cartilage is invaded by __ and __ that first form __ at the __.
    E) __ beneath the __ lay down __ outside the __.
    F) __ appear later in the __.
    G) A band of __, the __, forms between the two __.
    H) Layers of cartilage cells undergoing __ make up the __.
    I) __ break down the __ and are replaced with bone-building __ that deposit bone in place of __.
    J)__ are responsible for lengthening bones while increases in thickness are due to __ underneath the _.
    K) A __ forms in the region of the __ due to the activity of __.
    • Endochondral Bones
    • A) skeleton
    • B) hyaline cartilage models/ bone
    • C) cartilage/ diaphysis/ periosteum
    • D) blood vessels/ osteoblasts/ spongy bone/ primary ossification center
    • E) Osteoblasts/ periosteum/ compact bone/ spongy bone
    • F) secondary ossification centers/ epiphyses
    • G)hyaline cartilage/ epiphyseal disk/ ossification centers
    • H) mitosis/ epiphyseal disk
    • I) Osteoclasts/ calcified matrix/ osteoblasts/ calcified cartilage
    • J) Epiphyseal disks/ intramembranous ossification/ periosteum
    • K) medullary cavity/ diaphysis/ osteoclasts
  8. E) Homeostasis of Bone Tissue
    1) __ tear down and __ build bone throughout the lifespan, with an average of __ to __ of __ exchanged annually.
    • osteoclasts
    • osteoblasts
    • 3%-5%
    • bone calcium

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