Match the term with the appropriate description.A. Lipids that cause smooth muscle relaxation and vasodilationB. Lymph nodules aggregated in the small intestinal wallC. Rounded epithelial structures found in the medulla of thymusD. Areas of a lymph node where lymphocytes divideE. A chemical released from mast cells that causes vasodilationPeyer's patches
Fill in the blank(s) with the appropriate word(s).
Answer: B
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You are viewing a gland at 100× total magnification and the microscope at that magnification has a field diameter of 5 mm. The gland's width takes up one-quarter of the view. What is the size of the gland in mm?
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The approximate number of protein-encoding genes on the Y chromosome is
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