A _______ is a congenital anomaly that results in skin discoloration due to blood vessels that proliferate and form a benign tumor
Fill in the blank with correct word.
hemangioma
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Taste buds are not found ________
A) in circumvallate papillae B) in filiform papillae C) lining the buccal cavity D) in fungiform papillae
Platelets are capable of shrinking after the formation of a blood clot because they contain molecules of actin and ________.
Fill in the blank(s) with the appropriate word(s).
In the clotting cascade, thrombin feeds back and further stimulates its own activation, which is a positive feedback mechanism
Indicate whether the statement is true or false.
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. They act as enzymes that remove phosphate from myosin. B. They are part of the intracellular cytoskeleton. C. They maintain relatively constant tension in smooth muscle for a period of time. D. They are shallow invaginations of plasma membrane. E. They allow for rapidly developing action potentials in smooth muscle cells.