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47 Cards in this Set
- Front
- Back
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What has stratified squamous epithelium, may be keratinized and is non-secretory in the non-glandular region of the stomach?
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lamina epithelialis
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What region of the non-glandular stomach is prominent in all species except the rumen?
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Lamina muscularis
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What is a sharp junction bt. glandular & non-glandular stomach of the horse?
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margo plicatus
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Which species has the most developed non-glandular stomach?
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ruminants-rumen, reticulum & omasum
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What parts of the compound stomach are aglandular and are lined w/kerantinized stratified squamous epithelium?
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rumen, reticulum and omasum
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What parts of the compound stomach contain microbes which degrade plant materials
and produce VFA's. |
rumen, reticulum, omasum
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What are the 3 major features of the rumen?
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pillars
papillae tunica muscularis |
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______ are folds of the rumen wall that contain a core of muscle from the tunica muscularis.
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pillars
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_______ of the rumen has conical projections of mucous membranes.
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papillae
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What part of the compact stomach has no lamina muscularis
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papillae
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What part of the rumen has C.T in its core?
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papillae
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What part of the rumen varies in size & shape from 1 region to the next & is better developed in adult species on a roughage diet.
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papillae
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What are the Layers of Keratinized Stratified Squamous Epithelium in the Rumen?
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stratum corneum
stratum granulosum stratum spinosum stratum basale |
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What layer of KSSE in the rumen protects against roughage?
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stratum corneum
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__________ of the rumen has 2 layers, inner circular, outer long and is well developed.
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tunica muscularis
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________ of the reticulum are permanent anastomotic folds of mucous membrane.
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reticular crests
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Reticular crests have patches of ________ in the crests.
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Lamina muscularis
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What is portion of the compound stomach has a honeycomb appearance?
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reticulum
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The reticular _______ are found on folds and on the floor of the reticulum
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papillae
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What are the 3 important parts of the reticulum?
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reticular crests
reticular papillae lamina muscularis |
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__________ is an isolated mass in the tips of the reticular crests which are continuous from fold to fold.
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Lamina muscularis
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_________ of the omasum have 2 l. muscularis layers and a t. muscularis layer that extend into 3 layers of S. muscle in core.
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laminae
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________ of the omasum are located on the laminae.
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papillae
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What part of the compound stomach is similar to the glandular stomach?
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abomasum
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________ has cardiac, fundic and pyloric regions.
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abomasum
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The fundus region of the abomasum contain what type of cells?
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parietal and chief cells
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What are the general characteristics of the Small Intestine?
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Villi
Microvilli Increasing # of goblet cells Intestinal/submucosal glands GALT |
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__________ is specialized to increase absorptive and secretory surface.
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small intestine
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________ part of the compound stomach changes to simple columnar epithelium from stratified squamous of non-glandular region.
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abomasum
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What are the epithelial cell types in the lamina epithelialis of the tunica mucosa in the S.Intestine?
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Absorptive cells
Goblet cells M-cells |
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________ layer of the tunica mucosa in the S. Intestine contains simple columnar epi. w/goblet cells.
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lamina epithelialis
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________ cells of the lamina epithelialis in the S. intestine are classed as simple columnar epithelium.
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epithelial
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_________ cells are the most numerous in the lamina epithelialis of the tunica mucosa in S. intestine.
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absorptive
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Which cells of the l.epithelialis of the T.mucosa in the S.intestine contain simple columnar epithelium w/microvilli?
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absorptive
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What are the crypts of Lieberkuhn?
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intestinal glandsthat open into crypts at the base of the villi of the lamina epithelialis/tunica mucosa/small intestine
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What are the 3 types of cells of the intestinal glands of the tunica mucosa of the S.I.
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undifferentiated
acidophilic granular cells (paneth cells) Enteroendocrine cells |
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Which cells of the tunica mucosa in the S.I renew every 24-48 hrs & migrate on to villus to form lining & goblet cells.
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Undifferentiated
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Which cells of the tunica mucosa in the S.I have eosinophilic granules and are found in most species except carnivores & pigs.
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acidophilic granular cells (Paneth cells)
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Which cells of the tunica mucosa in the S.I produce enzymes (peptidase & lysozyme).
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acidophilic granular cells (Paneth cells)
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Where in the tunica mucosa of the S.I would you find lots of plasma cells for production of secretory IgA.
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Lamina propria
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What are lacteals?
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They are blind ended lymphatic capillaries found in the lamina propria of the tunica mucosa of the S.I.
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What type of glands do you find in the Tela submucosa of the S.I?
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submucosal glands (Brunner's glands)
vary from mucous to serous |
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Where do you find Peyer's patches?
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tela submucosa of S.I also known as aggregated lymphatic nodules
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What are Peyer Patches?
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aggregated lymphoid tissue
more predominant in ileum & jejunum expansion of B cell populations |
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What layer of the small intestine has a myenteric (Auerbach's) plexus?
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tunica muscularis
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What do you find in the inner circular and outer longitudinal region of the tunica muscularis of the small intestine?
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smooth muscle
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What are some distinguishing features of the regions in the Small Intestine?
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Duodenum has glands
GALT can be seen anywhere along the intestine Variable villi length |
