Human anatomy, including structure and development and practical considerations . ullet, into which they are con-tinued for a short distance (page1612). These glands, which in someanimals constitute a much widerzone (in the hog almost a third ofthe entire stomach), are to be re-garded as modified fundus glands(Oppel), since they possess similarepithelium, including usually a fewparietal cells. Their excretory ductsor crypts, lined with the gastricepithelium, often exhibit ampulla-like dilatations. Among the typi-cal tubules are a few shorter oneswhich recall the glands of Lieber-kiihn of the i
Human anatomy, including structure and development and practical considerations . ullet, into which they are con-tinued for a short distance (page1612). These glands, which in someanimals constitute a much widerzone (in the hog almost a third ofthe entire stomach), are to be re-garded as modified fundus glands(Oppel), since they possess similarepithelium, including usually a fewparietal cells. Their excretory ductsor crypts, lined with the gastricepithelium, often exhibit ampulla-like dilatations. Among the typi-cal tubules are a few shorter oneswhich recall the glands of Lieber-kiihn of the intestine, since thev contain goblet-cells and exhibit a cuticular border(J. Schaf^er). The stroma or tunica propria of the gastric mucous membrane consists of aloose fibro-elastic connective tissue containing numerous cells and resembling lym-phoid tissue, which fills the interstices between the glands and, in conjunctionwith the extensions of the muscularis mucosae, forms envelopes and partitions forthe groups of tubules constituting the deeper parts of the gastric glands. In. Parietal cell ^iS^5^< Deeper portion of g:astric glands from fundus, showing twovarieties of lining cells and secretion-capillaries connecting pari-etal cells with lumen. • 423. thp: stomach. l62i the vicinity of the pylorus, and sometimes also at the cardia, a number of smalllymphatic nodes—the so-called lenticular glands—normally occupy the deeperparts of the mucosa ; occasionally tliey are of sufficient size to almost reach thefree surface. The muscularis mucosa:, as in other parts of the intestinal tube, consists of awell-marked collection of involuntary muscle, deeply situated the submucouscoat. Two layers are usually distinguishable, an inner circular and an outer longi- FiG. 1377.
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