SKELETAL SYSTEM
(BONE TISSUE)
FUNCTIONS
•
Support
•
Protection
•
Assistance in
movement
•
Mineral Homeostasis
(storage and release)
•
Blood cell production
•
Triglyceride storage
4 TYPES OF CELLS
VITAMINS
•
Vitamin A – stimulates
activity of osteoblast
•
Vitamin C – synthesis of
collagen (main protein)
•
Vitamin D – increase
absorption of calcium from GIT
into blood
•
Vitamin K and Vitamin
B12 – synthesis of bone protein
HORMONES
FACTORS AFFECTING BONE GROWTH & BONE
REMODELING
•
Minerals
•
Vitamins
•
Hormones
•
Exercise
•
Aging
•
EXERCISE
•
AGING
MINERALS
•
Calcium and phosphorous
HORMONES
Human Growth
Hormone (hGH)
Anterior lobe of
pituitary gland
Insulinlike Growth
Hormone (IGFs)
Liver and bone tissues
T3 and T4
Thyroid gland
Insulin
Pancreas
Estrogen
Ovaries
Testosterone
Testes
Parathyroid Hormone
(PTH)
Parathyroid gland
Calcitonin (CT)
Thyroid gland
THE AXIAL SKELETON
&
APPENDICULAR SKELETON
AXIAL SKELETON