A difference between mucous membranes and serous membranes is
A) whether the cavity is open to the exterior or not.
B) the amount of blood vessels lining the cavity wall.
C) whether the tissue is epithelial or connective.
D) the density of collagen fibers in the cavity wall.
E) whether the membrane is thick or thin.
A) whether the cavity is open to the exterior or not.
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The arachnoid villi lack the tunica externa or adventitia found in blood vessels.
Answer the following statement true (T) or false (F)
Why can we infer that lactation must have evolved at least by the time of the first mammal?
What will be an ideal response?
The denticulate ligaments:
A) anchor the dural sac to the walls of the vertebral canal. B) anchor the spinal cord to the dural sac. C) are composed of arachnoid matter. D) are composed of dura matter. E) attach to the filum terminale.
The ________ link the cerebellum with the brain stem.
Fill in the blank(s) with the appropriate word(s).