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Skin Scales and Skeletal Muscles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Scales ,[object Object],[object Object],[object Object],[object Object]
Types of scales ,[object Object],[object Object],[object Object],[object Object],[object Object]
Ganoid Scales ,[object Object],[object Object],[object Object]
Leptoid scales ,[object Object],[object Object],[object Object],[object Object],[object Object]
Leptoid scales ,[object Object],[object Object]
Leptoid scales  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Placoid scales ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Placoid scales ,[object Object],[object Object],[object Object]
Cosmoid scales   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cosmoid scales ,[object Object],[object Object],[object Object]
Cosmoid scales ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Are all scales the same size?  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Can scale type vary with sex?  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Function of Slime and Spots  ,[object Object],[object Object],[object Object],[object Object]
General Functions ,[object Object],[object Object],[object Object]
How old is a fish scale?  ,[object Object],[object Object],[object Object]
 
Fish skin ,[object Object],[object Object],[object Object]
Skin Structure ,[object Object],[object Object],[object Object],[object Object],[object Object]
Comparison of Fish and Mammalian skin
Skin Properties ,[object Object],[object Object],[object Object],[object Object],[object Object]
Hormonal control of Skin   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Types of Muscle ,[object Object],Skeletal muscle Smooth muscle Cardiac muscle
 
Skeletal Muscles function ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Types of Muscle fiber ,[object Object],[object Object],[object Object],[object Object],[object Object]
Properties of Muscle ,[object Object],[object Object],[object Object],[object Object]
Structure ,[object Object],[object Object]
Structure ,[object Object],[object Object],[object Object],[object Object]
Muscle Fiber Anatomy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sarcomere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
d) myofibril  c) muscle fibre  b) muscle fibre bundle  a) Muscle belly  Components of skeletal muscle
Nerve and Blood Vessel Supply ,[object Object],[object Object],[object Object],[object Object],[object Object]
Myosin (Thick) Myofilament ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Actin (Thin) Myofilaments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sliding Filament Model of Contraction ,[object Object],[object Object],[object Object]
Sliding Filament Model of Contraction ,[object Object],[object Object]
Neuromuscular Junction ,[object Object],[object Object],[object Object],[object Object]
Neuromuscular Junction Figure 9.7 (a-c)
Motor Unit: The Nerve-Muscle Functional Unit ,[object Object],[object Object]
Motor Unit: The Nerve-Muscle Functional Unit Figure 9.12 (a)
Contractile Machinery: Sarcomeres ,[object Object],[object Object],[object Object],[object Object],Longitudinal section of myofibril (a) At rest
Contractile Machinery: Crossbridge formation and movement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],b) Contraction Longitudinal section of myofibril
Contractile Machinery: Optimal Crossbridge formation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Longitudinal section of myofibril c) Powerful stretching d) Powerful contraction
Any questions …….. Don’t shy

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Scales