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digestive system
for anatomy class ?
| Question | Answer |
|---|---|
| Abdominal cavity | Lining of the abdomen |
| what are the two parts of the peritoneum? | Parietal peritoneum : lines abdominal walls Visceral peritoneum : covers organs |
| Intraperitoneal space | - there are no organs that live here and only a small amount of fluid |
| Connecting Peritoneum has 2 parts | Mesentery and Omentum |
| Mesentery | attaches organs to body wall by connective tissue ( blood , lymph , nerves) |
| Omentum ( is just a curve) | - attaches stomach to adjacent organs |
| Greater Omentum | from greater curvature of stomach to dorsal body wall |
| Lesser Omentum | from lesser curvature of stomach to liver and duodenum |
| The functions of the digestive system | it takes complex foods and breaks them down into simple nutrient molecules through the digestion process |
| Peristalsis VS. Segmentation ( Smooth Muscle Contractions) | Peristaltic contractions move contents along the digestive tract and Segmental contractions cause back and forth mixing movement . |
| the structures in the Oral Cavity ( also known as the buccual cavity) | - lips , tongue , teeth , salivary glands , hard palate , soft palate and oropharynx. the oral cavity is also the start of diigestion |
| List and give location of the Salivary glands | Parotid is located just ventral to the ear canals. The Mandibular is located just central to the parotid . Sublingual is located medial to the body of the mandible just under the base of the tongue . then its the zygomatoc |
| Name the types of teeth found in carnivores and herbivores | Carnivores teeth are usually pointed and Herbivores teeth are blunted |
| Describe the structure of teeth | Maxilla and incisive bones contain upper arcade and Mandible contains the lower arcade . The Occlusal Surface is where teeth come together . |
| Teeth functions | Physically break down food into smaller pieces |
| List the structure of Monogastric Stomach | When something is monogastric it means it was the simple stomach |
| Describe the function of the Monogastric stomach | |
| The digestive tube is composed of ... | Mouth , teeth , Esophagus , stomach, doudenum , jejunum , Ileum, Cecum , colon , rectum and Anus |
| Ruminants | Have mixing and fermentation compartments in addition to the stomach |
| Basic Function of the Digestive Tract | Prehension , Mastification , Chemical Digestion , Absorption and Elimination |
| Basic structure of the Digestive Tract | Mouth ----> Esophagus ----> Stomach ---->Small Intestine ---> large intestine -----> Anus |
| The two types of muscles found in the Digestive system | Skeletal and Smooth |
| Skeletal | Mouth , prehension , pharynx , cranial portion of the esophagus , external anal sphincter |
| Smooth | wall of the digestive tube |
| Incisors | most rostral - grasping teeth |
| Canines | Corners of incisors , tearing teeth , tusks |
| Premolars | cheek teeth and cutting teeth |
| Molars | Grinding teeth |
| Lingual Surface | " inner surface" of the lower arcade that faces the tongue |
| Palatal Surface | " inner surface" of the upper arcade that faces the hard palate |
| Labial Surface | " Outer surface" that faces the front of the mouth |
| Buccal Surface | " Outer surface" of both arcades that face the check |
| Anatomy of the Tooth | teeth are living structures . The crown projects above the gingiva . the root is embedded in the alveoli |
Created by:
AmethystJ
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