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Questions from "Digestive System" notes. # b4 answer=page of notes

IMMEDIATE structure formed by union of the common bile and main pancreatic ducts. ## Hepatopancreatic ampulla
Name given to the horizontal fold of mucosa under tongue; it also has numerous small ducts opening along its surface. ## Sublingual fold
Give the data asked for with the following muscles: a) styloglossus (action) b) inferior constrictor (origin) c) salpingopharyngeus (origin) 69 a) Elevates and retracts tongue 71 b) Laryngeal cartilage 72 c) Auditory tube
Give the data asked for with the following: a) genioglossus (origin) 69 a) Superior mental spines (genial tubercles)
Give the data asked for with the following: b) retracts and elevates the tongue (muscle) 69 b) Styloglossus
Give the data asked for with the following: f) palatoglossus (innervation) 70 f) Pharyngeal plexus (CN XI via X)
What is/are the action(s) of the: b) circular mm. of the pharynx. 71 b) Contract pharynx
Give the data asked for with the following: c) origin is horns of hyoid, insertion is posterior median raphe (muscle) 71 c) Middle constrictor m.
Give the upper and lower boundries of the laryngopharynx. 71 Hyoid (C3) -> Lower boarder of cricoid cartilage (C6)
What is/are the action(s) of the: a) longitudinal mm. of the pharynx? 72 a) Elevate pharynx and larynx during swallowing
List two areas where the esophagus (NOT the gastroesophageal junction) is constricted 72 Cricoid cartilage (behind), aortic arch (Others: left primary bronchus, esophageal hiatus)
Give the data asked for with the following: d) salpingopharyngeus (insertion) 72 d) Palatopharyngeus m.
Give the data asked for with the following muscles: d) palatopharyngeus (innervation) e) stylopharyngeus (innervation) 72 d) Pharyngeal plexus (CN XI via X) e) Glossopharyngeal n. (CN IX)
Give the data asked for with the following: e) palatopharyngeus (innervation) 72 e) Pharyngeal plexus (CN XI via X)
Muscle that forms the arch posterior to palatine tonsil. 72 Palatopharyngeus
During degulutition, area through which food is diverted by the epiglottis (BE SPECIFIC). 72 Piriform recess
Describe the difference between an anatomical and physiological sphincter. 73 Anatomical sphincter: Contains area of thickened smooth circular muscle over area (seen in autopsy), Physiological sphincter: Contains area of normal smooth circular muscle over area (not seen in autopsy)
How does one anatomically separate the pylorus from the body of stomach? 73 Draw a vertical line through the angular notch of the stomach
Part of pylorus next to body of stomach. 73 Pyloric antrum
Define the specific boundaries of the 2nd part of the duodenum (descending portion). Also name any structures specifically associated with these part as mentioned in class. 74 From superior -> inferior duodenal flexure. Contains hepatopancreatic ampulla with sphincter of Oddi that opens into duodenum via the major duodenal papilla (may also have minor pancreatic duct and minor dudodenal papilla).
Concerning the 3rd part (horizontal portion) of the duodenum, give the boundaries and any associated structures as mentioned in lecture. 74 Inferior duodenal flexure -> ascending portion (of duodenum). Superior mesenteric a. and v. passing anteriorly
Besides the ileum being longer, having Peyer’s patches, and narrower lumen, compare the jejunum with the ileum. Give 4 STRUCTURAL differences mentioned in lecture. 74 Jejunum has: thicker walls, larger villi, more vascularity, more/larger plicae circulares (Others: less complex arterial arcades, & longer, larger, less numerous vasa rectae)
Vasa recta of the jejunum when compared with the ileum are (circle one) a) shorter or longer and b) less numerous or more numerous? 74 Larger, Longer & Less numerous
structure which helps hold duodenojejunal flexure in place. 74 Ligament of Treitz
Give the specific upper and lower boundaries of the sigmoid colon. Do NOT use five certain viscera as your answer. 75 Upper pelvic brim -> Rectum at S3
Located in rectum and made of mucosa, submucosa, and muscularis externa. 75 Valves of Houston (transverse rectal folds)
Define the following: Be SPECIFIC and COMPLETE! a) omental bursa 76 a) Greater peritoneal sac diverticulum located behind the stomach containing both a superior and inferior recess (aka lesser sac)
Define the following terms: a) retroperitoneal 76 a) organs that lie DEEP to partietal peritoneum
Define the following terms: c) peritoneal cavity 76 c) Potential space between parietal and visceral peritoneum
Define the limits of the clinical anal canal. 76 Pectinate line -> anus
Define the following: Be SPECIFIC and COMPLETE! c) mesentery 77 c) Double layer of serous membranes
Define the following terms: b) coronary ligament 78 b) Surrounding bare area of liver, extending from liver to diaphragm
Define the following: Be SPECIFIC and COMPLETE! b) triangular ligaments 78 b) Where the ant. and post. coronary ligs. of liver meet at their lateral extremities (lateral edges of the bare area of liver)
Besides impressions for the stomach and gallbladder, the liver has impressions for (give 4) the following: NO FISSURES! 78 Duodenum, right colic flexure, right kidney, right suprarenal (adrenal) gland
Describe medial and lateral boundaries of the quadrate lobe of the liver. 78 Lat = gallbladder, Med = fissure for ligamentum teres hepatis
Ligament into which the tail of the pancreas extends. 79 Splenorenal ligament
Vertical fold of mucosa in median plane of mouth extending between lips and gums. 81 Labial frenulum
Vertical fold of mucosa in median plane of mouth; extends between the inferior surface of the tongue and the floor of the mouth. 81 Lingual frenulum
Structure that covers most of surface of root of tongue. 81 Lingual tonsils
The permanent _________ replace the deciduous molars. 82 Bicuspids
Name in correct sequence (from front to back) the permanent teeth (name each individual tooth). 82 Central incisor, lateral incisor, cuspid (canine), 1st bicuspid (premolar), 2nd bicuspid (premolar), 1st molar, 2nd molar, 3rd molar (wisdom teeth)
Name in correct sequence (from front to back) the DECIDUOUS (baby) teeth. 82 Central incisor, lateral incisor, cuspid (canine), 1st molar, 2nd molar
Write the DENTAL FORMULA. You must use the formula to receive credit. 82 I 2/2 + C 1/1 + B 2/2 + M 3/3 = 16
The _______ opens into the mouth via a small papilla near the upper 2nd molar. 82 Partotid duct
Duct that runs anteriorly to open into the floor of the mouth as a small caruncle just lateral to the lingual frenulum. 82 Submandibular duct
Type of roots (morphology) usually present on mandibular molars. 83 Bifurcated
Name given to center of tooth; contains vessels, nerves, etc 83 Pulp cavity
Covers the root of a tooth and attaches it to the surrounding tissues of the alveolar socket; it resembles bone. 84 Cement
SPECIFICALLY, how does a structure become secondarily retroperitoneal? 76 Dorsal mesentery fuses with parietal peritoneum of posterior abdominal wall
Created by: sor32663