. Elements of histology. Histology. Chap. XXVI.] The Pancreas. 209 or gland. part of the latter, is a continuous layer of gland tissue in the submucosa, composed of convoluted, more or less branched tubes grouped into lobules, and permeated by bundles of non-striped muscular tissue, outrunners of the muscularis mucosae. These are the glands of Brunner. Numerous thin ducts lined with a single layer of columnar epithelial cells pass through the mucosa, and open into the crypts of Lieberkiihn be- tween the bases of the villi. The gland tubes of Brunner's glands are identical in structure with the
. Elements of histology. Histology. Chap. XXVI.] The Pancreas. 209 or gland. part of the latter, is a continuous layer of gland tissue in the submucosa, composed of convoluted, more or less branched tubes grouped into lobules, and permeated by bundles of non-striped muscular tissue, outrunners of the muscularis mucosae. These are the glands of Brunner. Numerous thin ducts lined with a single layer of columnar epithelial cells pass through the mucosa, and open into the crypts of Lieberkiihn be- tween the bases of the villi. The gland tubes of Brunner's glands are identical in structure with the pyloric glands, with which they form a direct ana- tomical continuity. 276. The pancreas (Fig. 122) is in most respects identical in struc- ture with a serous true salivary The connec- tive tissue frame- work, the distribu- tion of the blood- vessels and lym- phatics, and of the gland tissue in lobes and lobules, with the corresponding inter- and intra - lobular ducts, is similar in both cases. The epithelium lining the latter ducts is Only faintly Striated, Fig. 122.—From a Section through the not by any means Pancreas of Dog. !• ,. ,-, . a, The alveoli (tubes) of the gland; the lining SO distinctly as m eel Is show an outer homogeneous and an inner xi 1 • , n granular-looking portion : d, a minute duct. the salivary tubes. (Atias.) The alveoli or acini are club-shaped, flask-shaped, shorter or longer cylin- drical, and 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 Klein, E. (Edward), 1844-1925. Philadelphia : H. C. Lea's Son
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