digestion Flashcards
the functions of the digestive system include
ingestion and mastication, mixing, digestion, absorption
which layer of the digestive tract is in direct contact with food
mucosa
the myenteric plexus can be found in
muscularis
which is not a type of propulsions in the digestive tract
segmental contraction
mastication
reduces food particle size for deglutition
the oral cavity is lined with _____ to protect against abrasion
stratified squamous epithelium
food is prevented from entering the larynx and trachea during swallowing by the
epiglottis
how does the muscularis layer of the stomach differ from the rest of the digestive tract
it has 3 layers of smooth muscle
the functions of the saliva include
form bolus, starch digestion, moistens food, prevent bacterial infection in the mouth
the enteric plexus that is found within the musularis that helps control motility of the digestive tract is called
myenteric plexus
why doesnt the stomach digest itself
the stomach wall is protected by large amounts of mucus
the ____ cells of the pancreas secrete aqueous and enzymatic components that aid in digestion
exocrine
this is an outer layer that helps to attach organs to the surrounding tissue and hold the internal structures together
adventitia
in order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the
serosa
the largest salivary glands are
parotid glands
strong contractions propelling large intestinal contents are called
mass movements
which of the following types in the duodenum has antibacterial effect
granular/ paneth cells