7 Muscle Tissue Flashcards
Flexion, Extension, Hyper-extension
FEH
Abduction, adduction
AA
Circumduction
C
Depression, elevation
DE
Inversion, Eversion
IE
Protraction, Retraction
RR
Excitability, Contractility, Elasticity, Extensibility
ECEE
Cardiac Muscle, Smooth Muscle, Skeletal Muscle
CMSMSM
Cardiac Muscle
Found in heart myocardium “Y” shaped or branched fibers, Uninucleate or binucleate, Striated, Involuntary, Intercalated Discs, Auto-rhythmic
Smooth Muscle
Found in walls of visceral organs • Fusiform shape, Uninucleate, No striations, Involuntary, Fatigue resistant
Skeletal Muscle
Cylindrical shape, Multinucleate, Striated, Voluntary, Innervated– Neuromuscular junctions, Vascular
Myoblasts
Myoblasts fuse to form a skeletal muscle cell (fiber)
Endomysium
Endomysium
Perimysium
Perimysium
Epimysium
Epimysium
Deep fascia
Deep fascia
Tendon
Tendon
Origin
Less movable attachment site
Insertion
More movable attachment site
Sarcolemma
Sarcolemma
Sarcoplasm
Sarcoplasm
Transverse tubules (T-tubules)
Transverse tubules (T-tubules)
Sarcoplasmic reticulum
(with terminal cisternae)
Sarcoplasmic reticulum
(with terminal cisternae)
Nuclei
Nuclei
Mitochondria
Mitochondria
Myofibrils Myofibrils
Myofibrils
Myofilaments
Myofilaments
Troponin
Troponin
Tropomyosin
Tropomyosin
Myosin
Myosin