Term
| What are the 3 types of muscle tissue? |
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Definition
| Skeletal, cardiac, smooth. |
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Term
| Where does skeletal muscle attach to? |
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Definition
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Term
| What does skeletal muscle look like? |
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Definition
| Striated w/ light and dark bands. |
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Term
| What control does skeletal muscle have? |
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Definition
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Term
| Functions of muscle tissue: |
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Definition
| Movement, Stabilization of body positions, Regulation of organ volumes, Transportation of substances within the body, Production of heat. |
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Term
| The bands of smooth muscle that regulate organ volumes are called... |
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Definition
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Term
| Sentence for properties of muscle tissue? |
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Definition
Every Cool Cat Eats Eggs.
(Excitability, Conductivity, Contractility, Extensibility, Elasticity.) |
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Term
| What are the properties of muscle tissue? |
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Definition
| Excitability, Conductivity, Contractility, Extensibility, Elasticity. |
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Term
| Sentence for functions of muscle tissue... |
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Definition
Marimbas Sleep Right Through Practice
(Movement, Stabilization of body positions, regulation of organ volumes, Transportation of substances within the body, Production of heat.) |
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Term
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Definition
| SkM: loose connective tissue and fat underlying skin |
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Term
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Definition
| SkM: dense irregular connective tissue around muscle |
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Term
| components of connective tissue of muscle |
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Definition
| SkM: epimysium, perimysium, endomysium |
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Term
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Definition
| SkM: connective tissue that surrounds the whole muscle |
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Term
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Definition
| SkM: surrounds bundles (fascicles) of 10-100 muscle cells |
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Term
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Definition
| SkM: separates individual muscle cells |
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Term
| bundles of skeletal muscle cells |
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Definition
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Term
| All of the connective tissue layers of skeletal muscle extend beyond the _____ ________ to form the ____. |
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Definition
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Term
| Each SkM cell is supplied by... |
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Definition
| a nerve, artery, and 2 veins. |
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Term
| Each ___ ____ supplies multiple cells. |
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Definition
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Term
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Definition
| SkM: neuromuscular junction |
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Term
| What structures, found in the endomysium between individual cells, supply each SkM? |
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Definition
| one motor neuron terminal branch and 1-2 capillaries |
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Term
| What are two other names for neuromuscular junction? |
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Definition
| SkM: Synapse, myoneural junction |
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Term
| What does the neuromuscular junction look like? |
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Definition
| SkM: The end of the neuron's axon nears the surface of a muscle fiber at its motor end plate region; the structures remain separated by a synaptic cleft/gap. |
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Term
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Definition
| SkM: where the axon nears the surface of a muscle fiber |
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Term
| What separates the axon from a muscle fiber's motor end plate region? |
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Definition
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Term
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Definition
| medial + proximal, diffuse/spread out, stationary. |
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Term
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Definition
| lateral + distal, focused, the part that moves. |
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Term
| What term do some anatomists prefer over "origin" and "insertion"? |
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Definition
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Term
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Definition
| other muscles that help the prime mover / agonist. |
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Term
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Definition
| relax while agonists contract, and vice versa |
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Term
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Definition
| prevents another bone from moving while the prime mover acts on a bone |
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Term
| What do SkM cells look like? |
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Definition
| long, cylindrical, multinucleated; they contain many myofibrils. |
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Term
| What is the outside covering of a SkM cell called? |
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Definition
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Term
| What substance is between all the myofibrils in a SkM cell? |
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Definition
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Term
| What does sarcoplasm contain (besides the myofibrils)? |
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Definition
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Term
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Definition
| oxygen-binding protein; found in the sarcoplasm of a SkM cell. |
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Term
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Definition
| =invaginations of the sarcolemma into the center of the cell. Filled with extracellular fluid; carry muscle action potentials down into cell. |
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Term
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Definition
| lie in rows throughout the cell near the proteins that use ATP during contraction. |
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Term
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Definition
SkM: system of tubular sacs around myofibrils
-stores Ca+2 in a relaxed muscle
-release of Ca+2 triggers muscle contraction |
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Term
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Definition
| threads in muscle fibers separated by sarcoplasmic reticulum |
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Term
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Definition
| "thick and thin" filaments; contractile proteins of muscle |
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Term
| What creates striations in SkM? |
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Definition
| Thick and thin filaments overlapping each other. |
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Term
| I bands are _____ , A bands are _______ . |
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Definition
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Term
| I band region only contains ____ filaments. |
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Definition
| _ band region only contains thin filaments. |
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Term
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Definition
| compartments of thick and thin filaments |
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Term
| Sarcomeres are separated by.... |
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Definition
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Term
| Thick and thin filaments are arranged in compartments called ___________ , separated by ________. |
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Definition
| ______ and _______ ______________ are arranged into ___________ called sarcomeres, ___________ by Z discs. |
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Term
| How many thin filaments surround each thick filament in the overlap region? |
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Definition
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Term
| What are the supporting proteins that help anchor the thick and thin filaments in place? |
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Definition
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Term
| What microscope is used to see I and A bands? |
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Definition
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