Lower Motor Neurons That Carry Information from the CNS to Skeletal

question 58

Multiple Choice

Lower motor neurons that carry information from the CNS to skeletal muscle fibers form the _____.

• A) final common pathway
• B) medial lemniscus pathway
• C) corticobulbar pathway
• D) anterolateral pathway

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Definitions:

Intercalated Discs

Intercalated discs are specialized connections between heart muscle cells (cardiomyocytes), facilitating coordinated contraction through electrical and mechanical linkage.

Gap Junctions

Specialized intercellular connections that allow for direct communication between cells through the exchange of ions and small molecules.

Cardiac Muscle

A type of involuntary striated muscle found exclusively in the heart, responsible for heart contractions.

Left Coronary Artery

The artery that supplies blood to the left side of the heart, branching into the circumflex and left anterior descending arteries.