The ____________ is the ____________ for food into the ________ through food ____________
esophagus
passageway
stomach
propulsion
________________ _______ increase surface area and help the ____________ collapse when not active
longitudinal folds
esophagus
The _______________ ____________ is the physiological sphincter that helps the _____________ close when food is not being swallowed
gastroesophageal sphincter
esophagus
A ________ _______ is the weakening of the gastroesophageal sphincter
hiatal hernia
GERD refers to _______________ ________ _________
_______________ is first symptom
Burning substernal pain that occurs when _________ acid ___________ into the __________
Likely to happen after eating or drinking too much
Conditions that force abdominal contents superiorly
Obesity
Pregnancy
running
gastroesophageal reflux disease
heartburn
stomach
regurgitates
esophagus
_____________ refers to the 2 major phases of swallowing, the _________ ______ and the ______________________ ________
Deglutition
buccal phase
pharyngeal esophageal phase
Deglutition
The ________ ______ is __________and occurs in the mouth
Ends when a food _______ or some saliva leaves the mouth and stimulates __________ __________ in the __________ ________ initiating the next phase
Buccal phase
voluntary
bolus
tactile receptors
posterior pharynx
Deglutition
The ____________________ ________ is _____________ and controlled by the _____________ _________ in the ________ and lower pons
Inhibits ______________ momentarily and all routes except the _____________ close
Solid foods pass from oropharynx to stomach in __ seconds
Fluids in __ seconds
Pharyngeal esophageal phase
involuntary
swallowing center
medulla
respiration
esophagus
8
2
The _____________ is a holding area for _________ food, it creates ________ by further degrading food with a _____________ motion
stomach
ingested
chyme
churning
The __________ __________ at stomach-duodenum junction controls _________ _________
Pyloric sphincter
stomach emptying
In the stomach, the ______ reinforces and surrounds gastroesophageal sphincter
cardia
Stomach innervation
The stomach has sympathetic fibers from ___________ __________ _______ relayed through the ________ ___________
thoracic splanchnic nerves
celiac ganglion
Stomach innervation
The stomach has parasympathetic fibers from the _________ _______
vagus nerve
Stomach blood supply
Arterial Supply is from the _________ and _________ _________ of _________ _______
gastric
splenic branches
celiac trunk
Stomach blood supply
Vein drainage is part of the _________ ______ ________
Part of _______ ______ _________ and drains into _________ ______ ______
hepatic portal system
hepatic portal vein
Drapes inferiorly from the greater curvature of the stomach to cover the coils of the small intestine
Runs dorsally and superiorly wrapping the spleen and the transverse portion of the large intestine
Blends with dorsal mesentery mesocolon
Greater omentum
The ________ _____________ contains large amounts of ______ _______ in __ ________
greater omentum
lymph nodes
fat deposits
________ ______ ______ are found in neck of stomach and deep within glands, they secrete a ______ _______ _______
mucous neck cells
thin acidic mucus
Name two changes to the tunics of the stomach that differ from the standard tunics of the GI tract
gastric pits in the mucous membrane
innermost oblique layer in the muscularis externa
__________ __________ _____ ___ of the _________ produce __________ two-layer ________ mucus
Viscous and insoluble surface layer
Bicarbonate-rich fluid beneath
lining epithelium mucus cells
stomach
protective
alkaline
Mucus cells in ________ ________ of ________ and _________ secrete gastric fluid
gastric glands
cardia
pylorus
gastric fluid
Mucus cells in __________ ________ of _________ __________ produce _______ and stimulatory hormone _______
gastric glands
pyloric antrum
mucus
gastrin
The innermost _______ ________ ________ layer of the _________ muscularis externa physically breaks and pummels food by ramming it into the ________ _________
oblique smooth muscle
stomach
small intestine