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Stack #272571

QuestionAnswer
ability of a muscle to shorten with force contractibility
capacity of muscle to respond to a stimuli excitability
muscle can be stretchedd to its normal resting length and beyond to a limited degree extensibility
ability of muscle to recoil to original resting length after stretched elasticity
cell membrane of a muscle cell sarcolemma
cytoplasm within the muscle cell sarcoplasm
membranous network of channels and tubules within the muscle fiber, corresponding to the endoplasmic reticulum of other cells sarcoplasmic reticulum
contractile figers within muscle cells myofibril
the strucutral and functional unit of myofibril sarcomere
the pigmented comound in muscle tissue that stores oxygen myoglobin
when a typical skeletal muscle is teased apart and viewd microscopically, it can be seen to consist of many elongated, cylindrical cells called ________ muscle fibers
1 muscle fiber= 1 skeletal muscle cell
membranous channel that extends inward from a muscle fibe membrane and passes through the fiber transverse tubule
consists of a T-tubule and the segments of sarcoplasmic reticulum on either side triad
fibrous connective tissue that separates each muscle fiber in skeletal muscle endomysium
skeletal muscle is composed of muscle cells, connective tissue, blood vessels, nerves
skeletal muscle fibers are ____ long, cylindrical, multinucleated
length of skeletal muscle 1mm-4cm
skeletal muscle develops from ____, numbers remain ____ myoblast, constant
connective tissue sheet fascia
forms layer under the skin fascia
holds muscles together and separates them into functional grps fascia
carries nerves, blood vessels and lymphatics fascia
continuous with connective tissue of tendons and periosteum fascia
___-->___-->___-->____-->____ muscle, fascicle, muscle fiber, myofibrils, thick and thin filaments
connective tissue covering muscles provide ___, sites for distribution of ___ and ___, and a means of ___ to skeleton protection, blood vessels, neurons, attatchment
Created by: rchil967