Comparative Test 3 (Set 3)

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mc166589
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112036
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Comparative Test 3 (Set 3)
Updated:
2011-10-25 12:03:38
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Comparative ananotmy
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Comparative anatomy lecture test 3.
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  1. Describe the architecture of strap and fusiform.
    • 1. Muscle fibers are long, run parallel to each other and to their tendon.
    • 2. Adapted for contractions resulting in extensive mjovement.
    • 3. Maximum strength of contraction.
  2. Describe the muscle architecture of pennate.
    • 1. Short fibers that pull obliquely on their tendon.
    • 2. Cannot cause as extensive a movement but generate move force.
    • 3. Often found where space is limited.
    • 4. Well adapted for forceful isotonic contractions and isometric contractions of short extent.
  3. What provides the basis for dividing muscles into groups?
    By observing the pattern of embryonic development of muscles and their nerve supply.
  4. _______ is more meaningful in tracing evolution of a muscle system than grouping based on _______ or _______ properties.
    • Embryology
    • Histological
    • Physical
  5. _________ muscles orient the body with respect to the external environment.
    Somatic
  6. ________ muscles are involved in maintaining an internal enviorment.
    Visceral
  7. Somatic muscles typically develop from ______.
    Myotomes
  8. Axial muscles are muscles that make up what?
    Body wall and the tail.
  9. What are some examples of Axial muscles?
    • 1. Epaxials
    • 2. Hypaxials
    • 3. Epibranchials
    • 4. Hypobranchials
    • 5. Muscles of the tounge
    • 6. EXTRINSIC eyeball
  10. Appendicular muscles are muscles of what?
    Muscles of the appendages.
  11. What are the two types of muscles that make up the Somatic muscles?
    • 1. Axial
    • 2. Appendicular
  12. Visceral muscles typically develop from ___________.
    Splanchinic mesoderm
  13. Branchiomeric muscles are muscles that are found on?
    • 1. Visceral arches
    • 2. muscles of tubes
    • 3. vessels
    • 4. hollow organs
    • 5. INTRINSIC eyeball
    • 6. heart
    • 7. erectors of feathers and hair

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