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Chapter -6 ( Osseous Tissue & Bone Structure)
Skeletal Syste
15
Anatomy
Undergraduate 4
05/31/2013

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Term
Storage of minerals
Definition
The calcium salts of bone represents a valuable mineral reserve that maintains normal concentration of calcium and phosphate ions in the body
Term
Foramen
Definition
Is a small rounded passageway through which blood vessels or nerves penetrate the bone
Term
Osteoclasts
Definition
Are cells thabar remove and recycle bone matrix, these are giant cells with 50 or more nuclei
Term
Hydroxyapatite
Definition
Are very hard but inflexible and brittle
Term
interstitial lamellae
Definition
Fill the spaces between the osteons in compact bone. These lamellar are remnants of osteons who's matrix components have been almost completely recycled by osteoclasts.
Term
Calcium phosphate
Definition
Accountd for 2/3 of the weight of bone
Term
Epiphyseal cartilages
Definition
allows the bone to grow at length
Term
Gigantism
Definition
Resultinform an overproduction of growth hormone before puberty
Term
Acromegaly
Definition
If growth hormone level rises abnormally after epiphyseal cartilages close, the skeleton does not grow longer, but get thicker , especially those in the face, jaw , and hands. Cartilage growth and alterations in soft tissue  structure lead to changes in physical features, such as the contours of the face.
Term
Axial skeleton
Definition

Contain 126

  • Bones of skull, thorax, and vertebral column
  • Form longitudinal axis of body
Term
Appendicular skeleton
Definition

126 bone

  • Bones of skull thorax, and vertebral column
  • Form longitudinal axis of the body
Term
Functions of skeletal system
Definition
  • Support- support for body, attachment for soft tissues
  • Storage of minereals
  • Blood cell production
  • Protection
  • Leverage
Term
Flat bones
Definition
  • Thin, rough parallel surfaces
  • Cloonies bones, sternum
Term
Metaphyseal artery/ vein
Definition
  • Carry blood to/ from metaphysis
  • Connects to epiphyseaL
Term
Perforating fibers
Definition
  • Created by osteoblasts in periosteum cellular layer
  • Strongly connect tendon, ligaments,and joint capsules to bone through periosteumperiosteum
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