. The alligator and its allies. Alligators. The Digestive System 169 It is composed of a fairly dense mass of connective tissue, mainly elastic fibers, through which are scattered small blood-vessels, bv, and small dark areas, mb, that are appar- ently longitudinal bundles of involuntary muscle fib- ers. These few and scat- tered fibers probably represent the muscularis mucosa that is so well developed in the poster- ior region of the cesoph- Outside of the mucosa is a thick circular layer of involuntary muscle fibers, cm, the fibers being col- lected into irregular bun- FIG. 41. A tran


. The alligator and its allies. Alligators. The Digestive System 169 It is composed of a fairly dense mass of connective tissue, mainly elastic fibers, through which are scattered small blood-vessels, bv, and small dark areas, mb, that are appar- ently longitudinal bundles of involuntary muscle fib- ers. These few and scat- tered fibers probably represent the muscularis mucosa that is so well developed in the poster- ior region of the cesoph- Outside of the mucosa is a thick circular layer of involuntary muscle fibers, cm, the fibers being col- lected into irregular bun- FIG. 41. A transscction dies, between Which are through the anterior region of the narrOW Spaces filled With oesophagus of the hibernating connective tissue that con- tains a few small blood- vessels. Surrounding the circu- lar layer is a thinner and less clearly defined layer of longitudinal muscle fibers, Im. The muscle bundles are more definite than in the circular layer and are separated from each other by a consider- able amount of connective tissue with a few small blood-vessels. animal under low magnification bv, blood-vessels; mb, muscle bundles; other letters as in Fig- ure Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Reese, A. M. (Albert Moore), b. 1872. New York, London, G. P. Putnam's Sons


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Keywords: ., bookauthorreeseama, bookcentury1900, bookdecade1910, bookyear1915