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19 Cards in this Set
- Front
- Back
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What are the three types of salivary glands?
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Parotid, submandibular, sublinguial.
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what do intercalated ducts do?
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They add bicarbonate ions to the secretions, thus the digestive enzymes secreted are inactive.
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How do salivary glands develope?
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From the surface inward.
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What kind of glands are in the parotid glan?
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Only serous.
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What kind of glands are in the submandibular gland?
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Both serous and mucous, mostly serous.
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What kind of glands are in a sublinguial gland?
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Both serous and mucous, mostly mucous.
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The pancrease is both a ___ and a ___ gland?
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An exocrine gland and an endocrine gland.
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What kind of glands are in the pancreas?
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only serous glands.
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What are the light staining regions dispersed throughout the pancreas?
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They are islets of Langerhans.
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What is produced in the islats of Langerhans?
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Beta cells= insulin
Alpha cells=glucogon delta=somatostatin |
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How can you differentiate between the pancreas and the parotid gland?
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Parotid= lots of ducts lots of CT
Pancreas= Few ducts, islets of Langerhans. |
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What are the two main functions of the liver?
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Secretes bile and modification/filtration of blood.
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How does the liver get blood?
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First, fresh oxygenated blood comes from the hepatic artery(25%)
second, blood from the capillaries/intestines/pancreas/and spleen are brought in from the hepatic portal vein (75%) |
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Describe a venous portal system.
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Capillaries to veins to capillaries.
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In the liver, blood flows from the portal triad to the ____
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Central vein.
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What kind of macrophages are found in the liver?
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Kupffer cells.
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What structures on the liver are found between two tight junctions on the lateral surface?
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a bili canaliculi.
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What is the porisinusoidal space?
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The space between the hepatocytes and the sinusoids.
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What are Ito cells?
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They are cells found in the liver that store vitamin A in lipid drops. They are thought to be involved in liver cirrhosis and scarring.
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