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A&P II Digestive Sys
Digestive System - Lab
| Question | Answer |
|---|---|
| Gastrointestinal Tract is also known as... | Alimentary Canal |
| Accessory Organs include | Teeth, Tongue, Salivary Glands, Liver, Gall Bladder, Pancreas |
| Inner most layer surrounding the lumen of the Gastrointestinal Tract | Mucosa |
| Mucosa can be one of what two epithelium? | Simple Columnar or Stratified Squamous |
| Functions of Mucosa | Absorbtion, Secretion of mucous, Secreation of digestive enzymes & Protection |
| What are the 4 layers of the Gastrointestinal Tract from the inside out? | Mucosa, Submucosa, Muscularis & Serosa |
| Layer of the Gastrointestinal Tract responsible for propulsion of food and mixing/grinding of food | Muscularis |
| Visceral layer of the peritoneum that protect the digestive organs is also called ... | Serosa |
| Projections of the Mucosa on the surface of the tongue... | Papillae |
| Salivary Glands are composed of ... | Stratified Squamous Epithelium - Acini Cells |
| Esophageal mucosal is composed of what? | Stratified Squamous Epithelium |
| Esophageal muscularis is composed of ... | Skeletal Muscle |
| The small and large intestine mucosa are... | Simple Columnar |
| What special cells are found in the mucosa of the intestines? | Goblet cells |
| Finger like projections on the mucosa of the small intestine | Villi |
| Four lobes of the Liver | Right & Left Lobe, Quadrate Lobe, Caudate Lobe |
| Right & left lobe of the liver is divided by the... | Falciform Ligament |
| Each Liver lobe is subdivided into thousands of smaller _________ that appear in a hexagone shape | Lobules |
| Lobule cells that secrete bile, surrounding the central vein... | Hepatocyte |
| Functional unit of the Liver | Liver Lobule |
| The Pancreas contains both endocrine and digestive cells. What are they & what do they secrete? | Acini cells - digestive enzymes Pancreatic Islets - glucagon & insulin |
| The gums are also called ... | Gingiva |
| The lips are connected to the gingiva by the ... | Labial Frenulum |
| Space between cheeks and lips | Vestibule |
| The tongue is anchored by the ... | Lingual Frenulum |
| Prevents food from traveling into the Nasopharynx | Uvula |
| Lateral Arches forming the opening to the oropharynx | Fauces |
| This structure is viewable at the site of the fauces | Palatine Tonsils |
| Name the three Salivary Glands | Parotid, Submandibular and Sublingual Glands |
| Salivary secretions contain _________, an enzyme that begins chemical digestion of carbohydrates. | Amylase |
| How many teeth do adults have? | 32 |
| How many deciduous teeth do children have? | 20 |
| Front 8 teeth | Incisors |
| The 4 Canine teeth are also called | Cuspids |
| The 8 Premolar teeth are called | Bicuspids |
| The 12 Molar teeth are also called | Tricuspids |
| Name the three regions of a tooth | Crown, Neck & Root |
| The very hard covering of a tooth is called... | Enamel |
| The outer surface of the root is covered with | Cementum |
| Bone like structure of the tooth | Dentin |
| Inner most portion of the tooth that blood vessels and nerves run through. | Pulp |
| The four regions of the stomach | Cardiac, Fundus, Body & Pyloric |
| Controls the passage of food from the esophagus to the stomach | Lower Esophogeal Sphincter or Gastroesophageal Sphincter |
| Crontrols the passage of food from the stomach to the duodenum | Pyloric Sphincter |
| Two Curvatures of the stomach | Lesser Curvature & Greater Curvature |
| Large temporary folds of the stomach that allow it to expand | Rugae |
| Region of the stomach that surrounds the esophagus | Cardiac Region |
| Dome shaped superior portion of the stomach | Fundus Region |
| Major site of chemical digestion & absorbtion | Small Intestines |
| List the structures of the small intestines in order of first to last. | Duodenum, Jejunum, Iliam |
| The valve that controls the flow from the Ilium into the Cecum | Ileocecal Sphincter |
| Storage of waste, absorption of water and Synthesis of Vitamin K | Large Intestines |
| The appendix is attached to what structure of the large intestine? | Cecum |
| Name the four regions of the colon in order | Ascending Colon, Transverse Colon, Descending Colon & Sigmoind Colon |
| The Sigmoid Colon connects to __________, which store feces. | Rectum |
| The three contractional longitudinal bands of the large intestines are called ... | Taenia Coli |
| Contraction of the large intestines form pouches called ... | Haustra |
| Defecation takes place at the... | Anus |
| Connects the stomach's greater curvature to the transverse colon and hangs down like an apron. | Greater Omentum |
| Two layered peritoneum that connects parts of the intestine with the posterior abdominal wall. | Mesentery |
| A muscular sac that concentrates Liver bile | Gallbladder |
| Blood from the hepatice artery & portal drain into the _________ and then into the __________ ___________ | Sinusoids, Central Vein |
| Bile first drains into smalled ducts called... | Bile Canaliculi |
| From each liver lobe bile drains into it respective _________ duct | Hepatic |
| The right and left hepatic ducts join together to form the | Common Hepatic Duct |
| Bile leaves the gallbladder and join the common hepatic duct to form the | Common Bile Duct |
| What duct runs the length of the pancreas | Pancreatic Duct |
| The common bile duct and pancreatic duct form the | Hepatopancreatic Ampulla |
Created by:
nikki6
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