sarcomere Flashcards
Types of Muscle
Skeletal
Cardiac
Smooth
Functions of Muscle
Movement
Stability
Communication
Control of body openings and passages
Heat Production
Connective Tissues and Fascicles
Endomysium
Perimysium – holes the fascicles together
Epimysium – extends to ends as fibrous band…the tendon
Deep fascia
superficial fascia
Muscle Shapes
Functional Groups of Muscles
Agonist
Synergist
Antagonist and antagonistic pair
Fixator
Ultrastructure
Sarcolemma
Sarcoplasmic Reticulum
i. T-tubules
ii. Terminal cisternae
iii. Sarcoplasm
iv. Caveolae
Myofilaments
i. Thick filaments
ii. Thin filaments
iii. Elastic filaments
iv. A bands
v. I bands
vi. H band
vii. Z disc
Somatic Motor fibers
i. Synapse
ii. Neuromuscular junction
iii. Synaptic knob
iv. Motor end plate
v. Synaptic cleft
vi. Synaptic vesicles
a. Acetylcholine
vii. ACh receptors
viii. AChE
physiological Classes of Muscle Fibers
Slow oxidative: slow-twitch, red, Type I fibers
Fast glycolytic: fast-twitch, white, Type II fibers
Cardiac
i. Intercalated discs
ii. Branched fibers
iii. Single nucleus
Smooth
i. Spindle-shaped
ii. Single nucleus
iii. No sarcoplasmic reticulum (to speak of)
iv. Syncitial