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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Vasoconstriction makes vessels smaller
Indicate whether the statement is true or false.
Anatomy & Physiology
Cells in the lungs that phagocytize inhaled debris are known as ________.
What will be an ideal response?
Anatomy & Physiology
Fixed acid is also called volatile acid
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