muscle structure Flashcards
1
Q
fascicle
A
- a bundle of skeletal muscle cells
- they group together to form skeletal muscles
#5 on image
2
Q
muscle fiber
A
- an individual muscle cell within each skeletal muscle
- compose fascicles
#7 & what surrounds #7 on image
3
Q
myofibril
A
- the muscle fiber is made up of protein filaments called ____
- ____ are composed of sarcomeres
- the organelle
4
Q
epimysium
A
- encircles entire muscle
- ct layer
#3 on image
5
Q
perimysium
A
fibrous connective tissue that surrounds groups of 10-100 individual muscle fibers called fascicles
#4 on image
6
Q
endomysium
A
connective tissue surrounding an individual muscle fiber
#7 on image
7
Q
fascia
A
loose connective tissue wraps around groups of muscle
#2 on image
8
Q
myosin
A
the contractile protein that makes up the thick filaments of muscle fibers
9
Q
actin
A
a contractile protein that is part of the thin filaments in muscle fibers
10
Q
sarcomere
A
the functional unit of muscle that produces muscular contraction & consists of repeating sections of actin & myosin
11
Q
tendon
A
#1 on image
12
Q
filament
A
inside myofibril