In general, those things which we see in mass most certain to fix attention. The mucous linig ofthe dog's small intestine spread over 3 meters of tubular surface is more apt to be thought of in microscopic than in macroscopic terms. Possibly this is why certain of its functions relating to the animal economy may have been overlooked. Yet, in weight and, as some believe, in metabolic importance of secretions, it is the analogue of other great glands of the body. Its weight ratio to the thyroid is about as 7 to 1, and to the pancreas as 3 to 4. Its part in the balancing of metabolism has been overshadowed by its more obvious though measurably less important digestive function. It differs from other glands, not alone in its tesselated length, but in having a less free vascular interchange throughout its long course. What peculiar conditions as to Eunction
DRAPER JW. EXPERIMENTAL INTESTINAL OBSTRUCTION: REPORT OF FURTHER PHYSIOLOGIC, CYTOLOGIC AND. JAMA. 1911;LVII(17):1338–1343. doi:10.1001/jama.1911.04260100164002
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