Ch. 6 Muscular System

30 terms by 13baguilar 

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cardiac, smooth

muscle tissue: involuntary

cardiac, skeletal

muscle tissue: banded appearance

smooth

muscle tissue: longitudinally and circularly arranged layers

skeletal

muscle tissue: dense connective packaging

cardiac

muscle tissue: figure-8 packaging of the cells

cardiac

muscle tissue: coordinated activity to act as a pump

skeletal

muscle tissue: moves bones and he facial skin

skeletal

muscle tissue: refereed to as the muscular system

skeletal

muscle tissue: voluntary

perimysium

connective tissue surrounding fascicle

epimysium

connective tissue ensheathing the entire muscle

sacromere

contractile unit of muscle

fiber

a muscle cell

endomysium

thin connective tissue investing each muscle cell

sarcolemma

plasma membrane of the muscle cell

myofibril

a long; filamentous organelle found within muscle cells that has a banded appearance

myofilament

actin- or myosin- containing structure

tendon

cordlike extension of connective tissue beyond the muscle, serving to attach it to the bone

fascicle

a discrete bundle of muscle cells

sacroplasm

cytoplasm in muscle cells

movement, posture, joint stabilization, heat generation

functions of the muscle system

myosin filaments

thick myofilaments mostly made up of myosin protein, but also contain ATPase enzymes, which spit into ATP

cross bridges

projections of myosin heads

thin filaments

myofilaments composed of the contractile protein, actin

aponeurosis

any of the deeper and thicker fascia that attach muscles to bones; ex flattened tendons

excitability, contractility, extensibility, elasticity

functional charactaristics of muscle tissue

directly attached

epimysium of the muscle is fused to the periosteum of a bone

indirectly attached

connective tissue wrappings extend beyond the muscle as a tendon or aponeurosis

myoglobin

Sarcoplasm has numerous glycosomes and a unique oxygen-binding protein called

syncytium

Each cell is a ________ produced by fusion of embryonic cells

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