Prelab 7 - Muscle Tissue

Muscle Fiber Types

E

Perimysium

A

Sarcoplasmic reticulum

A

Troponin

A

Actin

B

Fascicle

C

Myofibril

C

Tropomyosin

C

Sarcomere

D

Epimysium

What is the name of the outer covering of the muscle, labeled B?

Myosin heads

What is the name of the part labeled A on the thick filament from a muscle cell?

Synaptic End Bulb

What is the name of the region labeled A that indicates the area of connection between a motor neuron and a muscle fiber?

H Zone

What is the name of the sarcomere region shown by label A above?

sarcolemma

What is the special name for the membrane of this cell, labeled B?

muscle fiber

What is the name of the cell labeled B (note that B has a bracket that spans across to indicate the whole cell)?

E

Which letter indicates the thin filament (actin)?