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The Muscular System
N/A
33
Anatomy
11th Grade
01/16/2014

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Cards

Term
What has striations, single nucleus, branching cells, involuntary, joined to another muscle cell, & found only in the heart?
Definition
Cardiac Muscle
Term
Has thick & thin filaments, fall between z discs, & contractile of muscle fiber?
Definition
Sarcomere
Term
What structure is this to? Facile, muscle fiber, myofibril, sarcomere, myofilament.
Definition
Skeletal Muscle
Term
The mechanical force of contraction is generated by?
Definition
Sliding of thin filaments past thick filaments.
Term
Neurotransmitter that stimulates a muscle contraction?
Definition
Acetylcholine
Term
What is filled with interstitial fluid in a neuron, synaptic cleft, & nerve & muscle do not contact?
Definition
Axon terminal & motor neuron
Term
Released when the nerve impulse reaches the axon terminal of the motor neuron?
Definition
Neurotransmitter
Term
What produces the stripped appearance in muscle?
Definition
Myofibrils & myofilaments
Term
Aligned to give distinct bands?
Definition
Myofibrils
Term
Makes up myofibrils?
Definition
Myofilaments
Term
What must occur to trigger the skeletal muscle to generate an action potential & contract?
Definition
Acitalcholine
Term
Acitalcholine attaches to the?
Definition
Sacrum
Term
Twitch contraction is brief while tetanus is?
Definition
Prolonged
Term
When movement occurs it is?
Definition
Isotonic
Term
Does not produce movement is?
Definition
Isometric
Term
Anaerobic occurs without?
Definition
Oxygen
Term
Contraction due from the movement of microfilaments?
Definition
Muscle
Term
1 band is light bands & ?
Definition
Thin filaments
Term
A band is dark bands & ?
Definition
Thick filaments
Term
Whats something one motor neuron & all the skeletal muscle cells are stimulated by that neuron?
Definition
Motor Unit
Term
Cardiac muscle creates?
Definition
Heat
Term
Muscle along the bones?
Definition
Skeletal
Term
Smooth muscles are?
Definition
Organs
Term
What lacks of ATP causes the muscle to contract less?
Definition
Lactic Acid
Term
Single contractions is a?
Definition
Twitch
Term
What the muscle becomes permeable to?
Definition
(Na+)(k)
Term
Muscle tissue that has involuntary regulation of contraction is?
Definition
Cardiac muscle & smooth muscle
Term
Muscle tissue type that consist of single, very long, cylindrical, multinucleate cells with very obvious striations is?
Definition
Skeletal muscle
Term
What type of membrane wraps a fascicle?
Definition
Perimysium
Term
Production of movement, stabilization of joints, maintenance of posture, & generation of heat are a functions of?
Definition
Muscular system
Term
What is composed of myosin protein?
Definition
Z discs
Term
The axon terminals of a nerve cell & the sarcolemma of a skeletal muscle cell join at the?
Definition
Neuromuscular junction
Term
An important function of the skeletal muscle is to?
Definition
Generate heat
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