Scales

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]

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

Scales

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Scales