Term
| The three types of muscle. |
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Definition
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Term
| Muscle has two basic abilities: ________ and ________. |
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Definition
| excitability; contractility |
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Term
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Definition
| Responding to stimulation from nerve(s) or hormone(s) or from other muscle(s) |
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Term
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Definition
| When stimulated, muscle cells shorten and exert tension on neighbouring tissues |
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Term
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Definition
| Form the muscles of gross anatomy |
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Term
| Skeletal muscle function. (3) |
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Definition
- Produce movement
- Maintain posture
- Control excretion/assist swallowing
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Term
| A tendon attaches a _____________ to a _____________. |
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Definition
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Term
| Connective tissue surrounds __________ and forms _________. |
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Definition
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Term
| Three categories of connective tissue associated with muscle. |
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Definition
- Epimysium
- Perimusium
- Endomysium
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Term
| Epimysium connective tissue surrounds __________. |
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Definition
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Term
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Definition
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Term
| Epimysium comes together at the end of a muscle to form the ______________. |
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Definition
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Term
| Inside the perimysium are bundles of muscle fibres called _____________. |
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Definition
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Term
| Surrounds the muscle cells within each fascicle. |
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Definition
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Term
| The nuclei of muscle cells are found on the __________ of the cell under the __________. |
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Definition
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Term
| Muscle cells have ___________ nuclei. |
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Definition
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Term
| The sarcolemma invaginates to form a series of __________. |
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Definition
| transverse tubules (t-tubules) |
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Term
| Smooth endoplasmic reticulum in muscle cells. |
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Definition
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Term
| Communication between the _________ and _________ allows large concentrations of calcium ions to be brought rapidly into the cell. |
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Definition
| t-tubules; sarcoplasmic reticulum |
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Term
| Calcium is essential for muscle ______________. |
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Definition
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Term
| Skeletal muscle appears as __________ muscle under a microscope. |
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Definition
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Term
| Each muscle cell is made up of thousands of _____________. |
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Definition
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Term
REMEMBER
Myofibril
A band I band
Thick Myosin Thin Actin
Anchored at M lines Anchored at Z lines
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Definition
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Term
| Functional unit of a muscle cell. |
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Definition
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Term
| When a muscle contracts the ______ and _______ filaments slide over each other shortening the sarcomere. |
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Definition
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Term
| Skeletal muscles are controlled by the ____________ system making them ______________. |
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Definition
| central nervous system; voluntary |
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Term
| The contractile tissue of the heart. |
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Definition
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Term
| Cardiac muscles make up the ___________ tissue of the heart. |
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Definition
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Term
| Cardiac muscle is controlled by the ________ system making them ____________. |
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Definition
| autonomic nervous system; involuntary |
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Term
| Cells contact each other in cardiac muscle via ________________. |
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Definition
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Term
| Cardiac muscles are ____________ (look like under a microscope). |
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Definition
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Term
Smooth muscles are ____________ (look like under a microscope).
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Definition
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Term
| Smooth muscle does not have _________, so they're not striated. |
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Definition
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Term
| Contraction of smooth muscle is controlled by the ______________ making it _____________. |
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Definition
| autonomic nervous system; involuntary |
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