1 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5pt Structure.

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Presentation transcript:

1 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5pt Structure ContractionResponses Smooth Muscle Cardiac Muscle/Misc

2 Layers of dense connective tissue surrounding/separating muscle

3 Fascia

4 Broad fibrous sheets attached to other muscles

5 Aponeuroses

6 Connected to periosteum of bones

7 Tendons

8 Protein that makes up thick filaments of myofibrils

9 Myosin

10 Zone in the middle of A bands consisting of myosin filaments only

11 H zone

12 Shortening of sarcomeres and pulling of the muscle against its attachments

13 Muscle contraction

14 Element necessary for myosin crossbridge attachment to actin

15 Calcium

16 Enzyme involved in provision of energy for crossbridges

17 ATPase

18 Neurotransmitter essential to initiate muscle contraction

19 Acetylcholine

20 Stores excess energy released by the mitochondria, and regenerates ATP from ADP & Phosphate

21 Creatine phosphate

22 Minimal strength of stimulus to cause a fiber to contract

23 Threshold stimulus

24 Sustained muscular contraction lacking any relaxation

25 Tetany

26 Achieved by a continuous state of sustained contraction of motor units within a muscle

27 Muscle tone

28 Decrease in size of a muscle

29 Muscle Atrophy

30 What increases in muscular hypertrophy

31 Size of muscle fibers

32 Do smooth muscle fibers have striations?

33 No

34 Two types of smooth muscles

35 Multiunit and Visceral

36 Type of smooth muscle found in iris of the eye

37 Multiunit

38 Type of smooth musle that is responsible for peristalsis in hollow organs and tubes

39 Visceral

40 Two neurotransmitters which stimulate or inhibit smooth muscle contraction, depending on the target muscle

41 Acetylcholine and Norepinephrine

42 Name of membrane junctions that join cardiac muscle cells

43 Intercalated Disks

44 Reason why cardiac muscles can contract for longer periods

45 Transverse tubules supply extra calcium

46 Term used to describe the contraction of cardiac muscle, with regard to its “beat”

47 Rhythmic

48 Immovable end of a skeletal muscle

49 Origin

50 Skeletal muscle doing most of the work out of a group of muscles

51 Prime Mover

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