#1 Flashcards
What is the basic function of digestive system?
Secretion, ingestion, digestion , propulsion , absorption, defecation
Gastrointestinal or alimentary canal is ?
continuous tube consisting of oral cavity
Mouth small intestine esophagus pharynx.
accessory organ
help breakdown Food, but Food doesn’t pass there
teeth tongue salivary gland liver gallbladder pancrease
four main layers of alimentary canal
mucosa -inner layer
Submucosa -layer under mucosa
Muscular externa-help push Food smooth muscle
-serosa- outer layer help cover and protect
Small no taste help grip food
filiform
What part of papillae has sensory
fungiform, circumvallate , foliate papillae
buccinotor muscle ( help move chewing )
cheeks
LIPS
Orbicularis muscle and covered with stratified squa. keratized epi
labial frenulum
hold lips together
what are the hard palate
Maxilla , Palatine bone
what are the soft palate
skeletal muscle
prevent Food from entering nasal cavity
uvula
explain teeth
Organ of mechanical digestion
Mastication chewing to increase surface area of food .
Teeth located in bony socket call Maxila mandible alveoli
tongue
skeletal muscle covered with stratified squamous epi
has Paillae
lingual frenulum -hold tongue in place in mouth
Where does
parotid gland located
masseter muscle
submandibular gland
Most saliva
Located in mandible
sublingual gland locate ?
inferior to tongue
Under tongue
function of saliva
lyzome & iA kill bacteria
Chemical
Mechanical
Dissolving food
tongue is what muscle
skeletal muscle with stratified squamous
Oral cavity muscles
stratified squamous with nonkeratinized epi
submucosa
dense irregular CT blood vessels
muscularis externa
SMC
SEROSA
epithelium & CT
mucosa muscle
epithelium & simpler columnar or stratified squamous
/ goblet cells
