19 Questions
Match the definitions to correct term
M cell = Specialized epithelium that sample antigens from the lumen environment Absorption = movement of nutrients, water and electrolytes from the lumen of the small intestine into the cell, then into the blood Lacteal = Blind ended lymphatic vessels in the intestinal villi Myenteric plexus = Major nerve supply to the GI tract and controls GI tract motility
List the components of portal triad
The components of the portal triad are the portal vein, portal artery and the bile duct.
Describe the functions of each component of the portal triad.
The portal vein carries deoxygenated blood away, the portal artery provides nutrients to hepatocytes, and the bile duct gets bile out to the gall bladder.
What are the four stomachs of the ruminant?
The four stomachs are the rumen, reticulum, omasum and the abomasum
Which ruminant stomach has the largest compartment?
Rumen
Match the correct description of the mucosa of the ruminant stomach to the correct chambered stomach
Rumen = Non-glandular keratinized stratified squamous containing papillae Reticulum = Non-glandular keratinized stratified squamous, honeycombed shape mucosa Omasum = Non-glandular keratinized stratified squamous Abomasum = Glandular stomach
Which of the following statements correctly describes the function of each chambered stomach in the ruminant?
The rumen and reticulum are involved in mixing, eructation, reguritation, and movement of ingesta, the omasum squeezes ingesta, liquifies and moves it to the abomasum, and the abomasum is involved in acid and enzyme digestion.
Tractor the flow of bile from the portal lobule to the duodenum.
Formed by hepatocytes, bile duct, gall bladder, bile duct to duodenum via major and minor papillae.
The horse has a gall bladder
False
Which of the following are not characteristics of Kupffer cells?
Located outside the blood sinusoids
Which of the following is the true statement.
Large intestine have simple columnar epithelium
List the characteristics of the large intestine.
the large intestine is involved in water absorption, it has simple columnar epithelium and it has no villi, but intestinal crypts are present.
What type of epithelium does the rectum have, and what is its function?
The rectum is lined with simple columnar epithelium, and its function is to store feces and secrete mucus
In the mucosa of the gall bladder, what type of lining lines the bile ducts?
Short columnar epithelium
In the mucosa of the gall bladder, what epithelium lines the gallbladder?
Tall columnar epithelium
Which of the following is secreted by the exocrine pancreas? Select all that apply
Trypsinogen
Which of the following is secreted by the endocrine pancreas? Select all that apply.
Somatostatin
What are the four zymogen granules (as discussed in class) that are secreted by the exocrine pancreas?
The four zymogen granules are trypsinogen, lipase, chymotrypsinogen and amylase
List the four hormones (as discussed in class) that the endocrine pancreas secretes.
The endocrine pancreas secretes insulin, glucagon, somatostatin and pancreatic polypeptide.
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