Essential of contraction

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Presentation transcript:

Essential of contraction Locomotion Essential of contraction

Muscle contraction Actin Myosin Enzymes Energy Calcium Low molecular weight thin Myosin High molecular weight thick Enzymes Energy Calcium

Ciliary Action Cilium Pattern of beat Bundles of fibrilles Organelle Small/hair-like Many Pattern of beat Power and recovery strokes Metachronal

Flagellary Action Structure Functionality 9+2 arrangement of contractile fibrils Usually in pairs or small numbers Functionality Assymetrical beat beat that pulls rather pushes

Amoeboid Movement Structure Hyaline cap Cytoplasm = colloid Liquid or solid phase Gel or liquid Ectoplasm and endoplasm Cyclosis- cytoplasmic streaming

Amoeboid Movement Mechanisms Push Pull Actin, myosin, ATP, Ca++