On the histological preparation of the walls of the small intestine: there * are groups of cells at the bottom of the crypt, in the apical part of which there are large acidophilic secretory granules; the cytoplasm is basophilic. What are these cells? goblet cells.
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- Histology of the intestine 4 layers are mucosa, submucosa, muscularis, and serosa Describe the tissue types found in each 4 layers and discuss their functionsSome of the intestinal epithelial cells, called goblet cells, contain small globules of mucus. Why are there cells in the small intestine that produce mucus?which is usually committed to maturing into differentiated Paneth cells and enteroendocrine cells, can return to a stem cell status if the intestine isinjured
- The ____ cells of the stomach are responsible for the secretion of HCl. Group of answer choices G parietal ECL chief or zygomaticWhy having a convoluted surface in the stomach is important and What are the three types of secretory cells?Anatomically, the of the stomachmost closely resemble the of thesmall intestine.a. gastric pits, intestinal cryptsb. pyloric glands, intestinal cryptsc. rugae, aggregated lymphoid nodulesd. parietal cells, goblet cellse. gastric glands, duodenal glands
- Most cases of colorectal cancer occur in the most distal part ofthe large intestine (the rectum, sigmoid colon, and descendingcolon). Why do fewer instances of colon cancer tend to occurin the proximal part of the large intestine? Include the anatomyand function of the colon components in your explanation.Which is a correct statement about the Na+/K+ transporter (pump), and its cytology and cellular role? It is found the basal side of intestinal epithelial cells, pumping Na+ out of the cell into the blood. It is found on the plasma membrane of neurons, pumping Na+ into axons from the blood. It is found on the membrane of the lysosome, pumping K+ into the lumen of the lysosome. It is found on the apical side of intestinal epithelia, pumping K+ into the lumen of the intestine.In pedi’tric gastroesophageal reflux disease (GERD), the immaturity of lower esophageal sphincter function is manifested by frequent transient lower esophageal relaxations, which result in retrograde flow of gastric contents into the esophagus. Which statement about the esophagus is true? Select all that apply. It is a cartilaginous tube. It has upper and lower sphincters. It lies anterior to the trachea. It extends from the nasal cavity to the stomach. It is a highway for food and drinks to travel along to make it to the stomach. All statements describe the esophagus.
- The small intestine can be divided into 3 regions: duodenum, jejunum, ileum. How does the unique structure of each region match its function?Stomach Which foods are digested here ? Which nutrients are absorbed here ? Which cells make up the gastric glands ? What do these cells produce? What function does mucus have ?Mr. Johnson has a gallstone (a stone) that completely obstructs the normal flow of bile and pancreatic juice into the duodenum. Explain how the digestion of carbohydrates (polysaccharides and disaccharides), lipids (triglycerides), proteins, and nucleic acids would be affected throughout the digestive tract, starting in the mouth and ending in the microvilli of the cells in the small intestine. Make one paragraph per molecule.