An antibody test on smooth muscle reveals fewer dense bodies and intermediate filaments in a patient with a colon disorder. What is the purpose of these structures?

A.
can rapidly develop action potentials in smooth muscle cells

B. shallow invaginations of cell membrane
C.
maintain relatively constant tension in smooth muscle for a period of time

D.
part of the intracellular cytoskeleton

E.
act as enzymes that remove phosphate from myosin


D

Anatomy & Physiology

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Indicate whether the statement is true or false.

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Cells in the lungs that phagocytize inhaled debris are known as ________.

What will be an ideal response?

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Indicate whether this statement is true or false.

Anatomy & Physiology

Which of the following is not a foramen or fissure in the sphenoid bone?

A) superior orbital B) rotundum C) ovale D) lacerum E) spinosum

Anatomy & Physiology