HUMAN A&P MUSCLES

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Myosin myofilaments and the part of the actin myofilaments that overlap them- the dark band

A-band

Covers the entire muscle

Epimysium

Web like layer of connective tissue that surrounds a muscle and loosely connects it to other muscles

Fassica

A bundle of muscle fibers

Fassicle

acting filaments from adjacent sarcomeres and the z-disc they are anchored to the light band

I-band

Gap junctions found in cardiac muscle: help coordinate the heart beat

Intercalated disk

Ribbon like organelle found inside muscle fibers

Myofibrila

Actin or myosin containing structure

Myofilament

covers a muscle fascicle

Perimysium

contractile unit of muscle

Sacromere

Cell membrane of a muscle fiber

Sarcolemma

plasma membrane of the muscle cell

Sarcolemma

Cytioplasm of a muscle fiber

Sarcoplasm

Cord like extension of the epimysium connects muscle to bone

Tendon

A membrandous disj that is loacted between sarcomeres and the z-dsics as they are anchored to the light band

Z-disc

thin myofilament

actin

Covers an indivdual muscle fiber

endomysium

thin connective tissue investing each muscle cell

endomysium

Connective tissue ensheathing the entire muscle

epimysium

a discrete bundle of muscle cells

fascile

a muscle cell

fiber

A muscle cell

muscle fiber

indicates a word having to do with muscle

myo-/sacro-

actin and myosin make up the sarcomeres

myofilaments

A long filamentous organelle found withing muscle cells that has a banded appearance

myofirbril

Fat or thick myofilament

myosin

Connective tissue surrounding a fascicle

perimysium

contractile unit of muscle

sarcomere

Srripes or band on a muscle cell

striations

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

tendon


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