Digestive System Flashcards
What is the abdominal cavity?
- Lining of the abdomen
What are two parts of the Peritoneum?
-Visceral and Parietal Peritoneum
What is in the Intraperitoneal space?
- no organs just a small amount of fluid
What does the Mesentery do?
- Attaches the organ to body wall
What does the Omentum do?
- Attaches stomach to adjacent organs
What 11 things is the Digestive system composed of?
- mouth
-teeth - esophagus
-stomach
-Doudenum
-Jejunum
-Ileum
-Cecum
-Colon
-Rectum
-Anus
What are the three accessory digestive organs?
-salivary glands
-liver
-pancreas
What are Herbivores?
-plant eating animals
What are Carnivores?
- meat eating animals
What are Omnivores?
- Animals that eat both plants and meat
What is a monogastric stomach?
- simple stomach
What are Hindgut Fermenters?
- Monogastric herbivores with the ability to undergo microbial fermentation within the cecum.
What do ruminants have ?
- mixing and fermentation compartments in addition to the stomach
What is the basic flow of the digestive system?
-Mouth > esophagus> stomach> small intestine > large intestine > anus
What is the Greater omentum structure?
-Greater curvature, attaches to dorsal body wall
What is the Lesser omentum structure?
- Lesser curvature to liver
What two types of muscle are found in the digestive system?
- skeletal
-smooth
What two main types of smooth muscle contractions move and mix contents in the stomach?
-Peristaltic contractions
-Segmental contractions
How do Peristaltic contraction move things in your stomach?
- by moving contents along the digestive tract
How do Segmental contraction move things in your stomach?
- cause back-and-forth mixing movement
How does Segmental contraction aid in digestion and absorption ?
- by mixing the digestive tract contents and slowing their movement through the tract
Where does digestion start?
- oral cavity
What did the oral cavity include?
-Lips, tongue, teeth, salivary glands, hard palate, soft palate, and oropharynx
What are the characteristics of the lip?
-Highly sensitive
-Significant sense organ in horses, cattle, and other species