Figure 8- 2 a Simplified Sectional View of the Knee

question 104

Multiple Choice

Figure 8- 2 A Simplified Sectional View of the Knee Joint
Use Figure 8- 2 to answer the following questions:
-Identify the structure labeled "5."

• A) intracapsular ligament
• B) synovial membrane
• C) serous membrane
• D) joint capsule
• E) periosteum

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Definitions:

Axon

A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.

Sarcomere

The basic contractile unit of muscle fiber, consisting of actin and myosin filaments, responsible for muscle contraction.

Myofilaments

The filamentous components of muscle cells, including actin and myosin, responsible for muscle contraction.

Actin

A globular protein that forms long filaments which are essential components of the cytoskeleton in cells and interact with myosin in muscle cells to facilitate contraction.