The ____________________ are hairlike nerve fibers that extend from the conus medullaris and that remain within the vertebral canal.
Fill in the blank(s) with the appropriate word(s).
cauda equina
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Carbon dioxide exits cells by simple diffusion between phospholipid molecules in the plasma membrane
Indicate whether the statement is true or false
Which class of leukocytes is particularly abundant in the red pulp of the spleen?
A) T lymphocytes B) free and fixed macrophages C) B lymphocytes D) neutrophils E) red blood cells
A 50-year-old man who is an alcoholic suffers recurrent bouts of pancreatitis that reduce output of pancreatic enzymes after ingestion of a mixed meal
He also presents with diarrhea, and his stools contain high levels of triglycerides but no intact starch. Duodenal aspirates obtained after a meal likewise reveal that starch is being digested appropriately. Assuming the output of all pancreatic enzymes is impaired during pancreatitis, what structure(s) supply an alternate source of enzymatic activity capable of starch digestion? A. Brunner's glands B. brush border of enterocytes C. gallbladder D. parietal cells E. chief cells F. salivary glands
Merocrine sweat glands are associated with hair follicles in the pubic and anal regions, axilla, areola, and beard
Indicate whether the statement is true or false