The Different Parts Of A Muscle Flashcards
1
Q
Describe a tendon
A
A tendon connects muscle to bone
2
Q
Describe the epimysium
A
- a layer of connective tissue surrounding the whole muscle
- also known as the ‘fascia’
3
Q
Describe the bundle of fibres
A
In each muscle, fibres are separated into bundles known as ‘fascicles’
4
Q
Describe the perimysium
A
A layer of connective tissue surrounding each bundle of fibres
5
Q
Describe the fibre in a muscle
A
Each fibre contains many myofibrils and is surrounded by the sarcolemma and endomysium
6
Q
Describe the myofibrils
A
- contain the myofilaments actin and myosin
- lengthwise, each myofibril is divided into sarcomeres
- these sarcomeres give the muscle the striped or striated appearance
7
Q
Describe the sarcomeres
A
- the contractile unit of the muscle
- each contains actin and myosin filaments that overlap in a strictly arranged pattern
8
Q
Describe the myosin and actin filaments
A
- myosin filaments are thick and have many small projections called cross bridges that connect to he actin filaments
- actin filaments are thin and overlap the myosin filaments
9
Q
List the different sections of a muscle
A
- tendon
- epimysium
- bundle of fibres
- perimysium
- fibre
- myofybril
- sarcomeres (containing in actin and myosin filaments)
