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Unit 3F

Digestive System

Digestive system of the body is concerend with the ___ ___ of___ and_____ of nutrients break down , food, absorbtion
the digestive system is also Referred as ? Digestive tract, Gastrointestinal tract, Alimentary canal
The organs digestive system exist as a continuous tube extending from the ___ ___ to the ____ Oral Cavity, Anus
A large, highly folded, serous membrane located in the abdomen is called the ? Peritoneum
The 3 Peritoneal folds and membranes are ? 1.Falciform Ligament 2.Greater Omentum 3. Mesentery
Peritoneal Folds & Membranes: this structure extends from the liver to the anterior abdominal wall Falciform Ligament
The Falciform Ligament contains in its free edge the ? also known as (__ __ __) The round ligament of the liver ( obliterated umbilical vein)
Peritoneal Folds & Membranes: This structure extends from the greater curvature of the stomach to the transverse colon, forming a fatty apron over the small intestine Greater Omentum
Peritoneal Folds & Membranes: supports and suspends the jejunum and ileum Mesentery
The digestive system consists of how many structures and how many accessory glands ? 9 structures , 4 accessory glands
The 9 structures of the digestive system 1. Oral Cavity (mouth) 2. Pharynx 3. Esophagus 4. Stomach 5. Small Intestine 6. ileocecal Junction 7. Large intestine (colon) 8. Rectum 9. Anus
The 4 Accessory glands of the digestive system 1. Liver 2. Gall Bladder 3. Pancreas 4. Duct System
The Oral cavity is also referred to as the ? Mouth
The oral cavity contains tongue, teeth, and openings of salivary glands
a skeletal muscle organ that functions in the sense of taste, mastication, and movement of food Tongue
How many teeth are there in adults ? and how many types of teeth ? 32 , 4 types
What are the 4 types of teeth ? from medial to lateral Incisors, canines (fangs) , Premolars, and molars
How many pairs of salivary glands are there ? 3 pairs
What are the 3 pairs of salivary glands ? Parotid gland, Submandibular gland, Sublingual gland
All of the salivary glands are ____ glands sine they are drained by a duct, all of which empty the gland secretions (_____) into the oral cavity Exocrine,(SALIVA)
The pharynx is composed of ____ muscle Skeletal
Functions of the Pharynx (in the Digestive system) swallowing
the pharynx divides in to how many parts , and what are they ? 3 divisons , Nasopharynx, Osopharynx, Laryngopharynx
The nasopharynx is Posterior to the ? nasal cavity
The oropharynx is Posterior to the ? Oral cavity
The laryngopharynx is Posterior to ? Larynx
The Laryngopharynx is continuous with the ? Esophagus
What is the Laryngopharynx clinically called ? Hypopharynx
the esophagus is a ______ tube extending _#_ cm from the lower end of the_____ above to the cardiac opening of the stomach below muscular , 30 cm, pharynx
the 3 regions of the esophagus Cervical, thoracic, abdominal
_____ : region of the esophagus in the neck where it lies _____ to the trachea Cervical, posterior
____ : region of the esophagus in the thorax where it lies POSTERIOR to the_______ in the upper half and POSTERIOR to the_____ in the lower half of the thorax Thoracic, Trachea, heart
_____ : region of the esophagus after piercing the diaphragm at the_______ opening of the diaphragm is enters the______. Abdominal, esophageal, Abdomen
The abdominal region of the esophagus runs a very ____ course in the abdomen and terminates by joining the______ (gastroesophageal junction) short, stomach
The stomach is the digestive organ responsible for the _____ of ____. Storage, Food
3 parts of the Stomach Fundus, Body, Pyloric Part
the part of the stomach above the level of entrance of the esophagus Fundus
part of the stomach located between the fundus and the pyloric part, it consists of the main mass of the stomach Body
part of the stomach that extends towards the right from the lower part of the stomach Pyloric part
the pyloric part of the stomach ends at the Pyloric opening
the pyloric opening is the opening between the_____ and the first part of the______. stomach, duodenum
the pyloric opening is surrounded by a _____ smooth muscle called the ____ _____ Circular, Pyloric sphincter
how many curvatures in the stomach ? what are they ? 2 , Greater & Lesser curvature
margin of the stomach that courses over the fundus and inferiorly on the left side of the stomach to inferior side of the pyloris Greater Curvature
The Greater curvature is a ____ curve Convex
margin of the stomach that is located on the right side of the stomach Lesser Curvature
The Lesser curvature is a ____ curve Concave
how many openings in the stomach ? and what are they ? 2 , Cardiac & the Pyloric opening
the opening of the stomach between the cavity of the esophagus and the cavity of the stomach ? Cardiac opening
the cardiac opening is located at the_____ junction of the _____ curvature and the ___ curvature upper, greater, lesser
the is the cardiac opening called "cardiac" because of the close relationship with the part of the _______ upon which the heart rests on diaphragm
Opening between the stomach and the first part of the duodenum Pyloric opening
The internal surface of the stomach has folds called _____, that increase the ____ ____ Ruggae , surface area
____ ____ is the part of the intestine between the pyloric sphincter and the iliocecal junction Small intestine
the small intestine starts/connects to the stomach at the ? Pyloric sphincter
The small intestine ends/ Joins the large intestine at the ? iliocecal junction
The small intestine is approx _#_ meters in length 7 m
The diameter of the small intestine ____ though its length Diminishes
the small intestine has how many subdivisions and what are they ? 3, Duodenum, Jejunum, Ileum
The first part of the small intestine and extends from the pyloric sphincter to where is joins the jejunum Duodenum
The duodenum is a __ shaped organ with its concave _____ border receiving the openings of ducts draining the___ , ____ and____. C, medial, liver,gallbladder, pancreas
the proximal 2/5 of the small of the remainder of the small intestine jejunum
the distal 3/5 of the remainder of the small intestine ileum
the junction of the ileum portion of the small intestine and cecum of the large intestine ileocecal junction
The part of the intestine that extends from the ileocecal junction to the anus Large intestine
The large intestine is also called the ? colon
the large intestine has how many subdivisions ? 6
what are the 6 subdivisions of the large intestine ? 1.Cecum 2. Appendix 3. Ascending Colon 4. Transverse Colon 5. Descending Colon 6. Sigmoid Colon
part of the large intestine that lies at and below the level of entrance of the ileum Cecum
a lymphatic organ attached to the postero-medial surface of the cecum Appendix
portion of the large intestine that extends superiorly from the right side of the posterior abdominal wall to the liver Ascending Colon
Since the the ascending colon CANT course above the liver , it bends forming the ____ ___ or also called _____ _____ , courses to the left Right Colic, Heptic Flexure
Portion of the large intestine that extends from the right colic flexure on the right side of the abdomen to the spleen on the left side Transverse colon
When the transverse colon reaches the spleen, it will bend and course inferiorly forming the ____ ____ also called ____ ____ Left colic , Splenic Flexure
Portion of the large intestine, which extends from the left colic flexure inferiorly along the left side of the posterior abdominal. Descending colon
part of the large intestine, which extends from the descending colon to the PELVIS, where it is continous with the rectum Sigmoid Colon
the sigmoid colon forms a____ , the shape and position of which depend upon the degree of the____ Loop, filling
The portion of the digestive system between the sigmoid colon and the anus Rectum
the rectum narrows INFERIORLY forming the ______ canal Anal
____ is a sphincteric muscle is located at the termination of the anal canal, which functions in the retention of ____. Anus, feces
What is the largest Gland in the body Liver
The Liver is an____ gland that produces___, which is conveyed via hepatic ducts to the ____ exocrine, bile, duodenum
how many lobes in the liver ? 4
the 4 lobes of the liver are ? Right, Left, Quadrate, Caudate
The structures that enter and exit the liver are ? Right and left hepatic arteries, Portal vein, R+L hepatic ducts
The structures that enter and exit the liver do so at the _____ _____ , at the junction of the 4 lobes , The hepatic veins ____ ___ here Porta Hepatis , DONT EXIT
The gall means Bile
the gall bladder is located on the visceral surface of the ____ between the __ lobe and the ____ lobe Liver, Right , Quadrate
Bile is ___ and ___ in the gall bladder Stored, concentrated
The pancreas is both ____ and ____ gland endocrine, exocrine
the pancreas eXocrine functions , it produces ____ _____ that pass via a duct to the duodenum Digestive enzymes
The pancreas eNdocrine functions , it produces the hormones ___, ___ ,___ insulin, glucagon, somatostatin
the 3 anatomical parts of the pancreas Head, Body , Tail
The ____ of the pancreas is located in the concavity of the duodenum Head
The ____ of the pancreas courses from the head toward the left across the vertebrae. Body
The ____ of the pancreas, the left end of the gland, which courses approximates the spleen Tail
The ___ System drains bile and pancreatic juices Duct
Which duct drains the right half of the liver ? The Right Hepatic Duct
Which duct drains the left half of the liver ? The Left Hepatic Duct
The R+L Hepatic ducts join to form the ______ hepatic duct Common
Which duct drains the gallbladder ? Cystic Duct
The cystic duct joins the common hepatic duct to form the ? Bile Duct
The bile duct is also called the ? Common Bile Duct
The Bile duct joins the ____ pancreatic duct at the ___-___ ___ . this drains into the ____ duodenal papilla in the duodenum. Main, Hepto-Pancreatic Ampulla, Major
Created by: osabdelr



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