manda- bone composition
Post on 07-Feb-2016
12 Views
Preview:
DESCRIPTION
TRANSCRIPT
Composition, Structure, Modelling and Remodelling of Bones
Clara Amanda Schram11.2014.017
Bone Composition
The matrix Bone Mineral
Bone Cells
The matrix
Collagen
Non-collagenous protein:- Proteoglycans
-Osteonectin-Osteocalcin
Bone mineral
Calcium
Phosphate
BONE CELLS
OSTEOBLAST
FOR OSTEOGENESI
S OR OSSIFICATION
OSTEOCYTES
MATURE BONE CELLS
OSTEOCLAST
RESORBING OR REMOVING
BONE
Bone Structure
STUCTURE OF BONE
GROSS STRUCTURE
COMPACTA SPONGIOSA
HISTOLOGIC STRUCTURES
MATURE BONE ( LAMELLAR
BONE )
IMMATURE BONE ( WOVEN BONE )
Bone Modelling and Remodelling
Membranous ossification
Endochondral ossification
Bone Modelling
Mineral exchange
PhosphorusCalcium
Vitamin D Magnesium
CalcitoninPTH
Calcium and Phosphorus Metabolism
The normal plasma level of both calcium and inorganic phosphate are regulated by three hormones :
• The active metabolics of vitamin D• Parathyroid hormone (PTH)• Calcitonin
Thank you
top related