Term
| A musculomembranous tube that extends from the mouth to the anus |
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Definition
| Gastrointestinal tract/Alimentary Canal |
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Term
| The greater part of the Alimentary canal is ___ in length, lies in the abdominal cavity |
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Definition
| 29 to 30 feet (8.6 to 8.9 m) |
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Term
| Salivary glands, pancreas, liver, and gallbladder |
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Definition
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Term
| Duodenal bulb for a hypersthenic body habitus |
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Definition
| at the level of T11 or T12 to the right of the midline |
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Term
| is at approximate level of L1 to L2, to the right of the midline |
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Definition
| duodenal bulb for sthenic patient |
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Term
| near the midline at the level of L3 or L4 |
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Definition
| duodenal bulb for hyposthenic/asthenic patients |
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Term
| First plane is drawn at the level of |
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Definition
| the ninth costal cartilage |
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Term
| The second horizontal plane is at the level of |
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Definition
| the superior margin of the crest of the Ilium |
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Term
| Vertical lines that pass through the midpoint between the anterior superior iliac spine and the symphysis pubis |
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Definition
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Term
First division of the digestive system
Encloses dental arches and receives the saliva secreted by the Salivary glands |
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Definition
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Term
| space between the teeth and cheeks |
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Definition
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Term
| mouth proper, the space within the dental arches |
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Definition
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Term
| Approximately five (5) inches (13 cm) in length |
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Definition
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Term
| the pharynx starts at internal areas and extends to ___ |
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Definition
| the level of the cricoid cartilage |
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Term
| the most inferior cartilage of the larynx |
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Definition
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Term
Lies posteriorly above the soft and hard palates
Anteriorly, communicates with the posterior apertures of the nose |
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Definition
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Term
Extends from the soft palate to the level of hyoid bone
The base (root) of the tongue forms the anterior wall
Its function is a passageway for food moving downward from the mouth and for air moving to and from the nasal cavity |
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Definition
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Term
Lies posterior to the larynx
The anterior wall being formed by the posterior surface of the larynx
Extends inferiorly and is continuous with the esophagus |
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Definition
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Term
| Long, muscular tube, carries food/saliva from the laryngopharynx to the stomach |
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Definition
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Term
| esophagus is approximately, __ long, __ diameter |
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Definition
24 cm (10 inches)
1.9 cm (3/4) inches |
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Term
| esophagus originates at the level of the |
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Definition
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Term
| esophagogastric junction is at the level of ___ |
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Definition
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Term
| The expanded terminal end is called the ___ |
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Definition
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Term
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Definition
Fibrous layer
Muscular layer
Mucosal layer
Submucosal layer |
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Term
| Muscular layer of esophagus is composed of two muscle layers: |
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Definition
Outer Longitudinal muscle layer
Inner Circular muscle layer |
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Term
Runs lengthwise
When these longitudinal fibers (open spirals) contract, the tract shortens |
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Definition
| Outer Longitudinal muscle layer |
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Term
Encircles the gastrointestinal tract
Circular fibers (actually closed spirals) contract, decreasing the diameter of the tract |
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Definition
| Inner Circular muscle layer |
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Term
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Definition
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Term
Innermost layer
Thick, soft lining
Numerous folds (rugae) when the stomach wall is contracted |
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Definition
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Term
| four portions of the stomach |
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Definition
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Term
| Surrounds the esophageal opening |
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Definition
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Term
| Superior portion that expands superiorly and fills left hemidiaphragm |
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Definition
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Term
Located between the Fundus and Pyloric portion
Inner mucosal layer contains numerous longitudinal folds called rugae |
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Definition
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Term
| Consists of the pyloric antrum and the narrower pyloric canal |
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Definition
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Term
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Definition
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Term
| Left and inferior borders. (4-5 times larger than the lesser curvature) |
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Definition
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Term
| Guards opening of esophagus into the stomach (Cardiac orifice) |
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Definition
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Term
| Guards the opening from the pyloric portion of the stomach into the first part of the small intestine (duodenum) |
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Definition
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Term
Averages about 22 feet (6.5m) in length
Diameter is 1 ½ inches in the proximal part to about 1 inch in the distal part |
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Definition
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Term
| assist the process of digestion and absorption, gives the intestinal mucosa a velvety appearance |
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Definition
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Term
First division of small intestine
8-10 inches in length, widest portion of the small intestine and is C-shaped |
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Definition
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Term
Superior portion
Descending portion
Horizontal portion
Ascending portion |
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Definition
| 4 divisions of the duodenum |
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Term
| Known as the duodenal bulb |
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Definition
| superior portion of duodenum |
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Term
| about 3-4 inches in length and passes inferiorly along the head of the pancreas |
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Definition
| descending portion of duodenum |
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Term
| portion curves back toward the left |
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Definition
| third (horizontal portion) of duodenum |
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Term
| This portion joins the jejunum at a sharp curve called the duodenojejunal flexure (Angle of Treitz) |
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Definition
| ascending (fourth) portion of duodenum |
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Term
| Second division and upper two fifths of small intestine |
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Definition
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Term
| Third division and lower three fifths of the small intestine |
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Definition
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Term
Completes the digestion of food
Absorbs the end products of digestion into the blood lymph
Secretes hormones, some of which control the secretions of the pancreatic juices, bile, and the intestinal juices |
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Definition
| 3 main functions of small intestines |
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