Chemotaxis is the process by which
A. CAMs on leukocytes adhere to CAMs on endothelial cells of capillaries within injured tissues.
B. cells migrate along chemical gradients.
C. cells exit the blood by squeezing out between cells in the blood vessel wall.
D. chemical messengers are secreted that stimulate the sensation of pain that accompanies inflammation.
B
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Stem cells that can differentiate into osteoblasts are called ________ cells
A) osteopropagator B) osteoforming C) osteocreator D) osteotrophic E) osteogenic
Cytoskeletal structures that are not found in all cell types are
A) intermediate filaments. B) myofibrils. C) microtubules. D) microfilaments.
Steroid hormones act through the second-messenger system
Indicate whether the statement is true or false
Activation of the parasympathetic nervous system triggers renin release from the JG apparatus of the kidneys.
Answer the following statement true (T) or false (F)