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A&P II Digestive Sys

Digestive System - Lab

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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