Esophagus Flashcards
1
Q
esophagus
A
conducts ingested materials from pharynx to stomach
2
Q
esophagial hiatus (weak area)
A
esophagus passes through just before it connects to stomach
3
Q
esophagus transitions from..
A
skeletal muscle (voluntary) to smooth muscle (involuntary) inferiorly
4
Q
superior esophageal sphincter
A
closes during inhalation preventing air entry
5
Q
inferior esophageal sphincter
A
prevents materials from regurgitating from stomach
6
Q
peristalsis
A
rhythmic contraction of digestive tubes
7
Q
peristalsis begins..
A
esophagus, continues through entire GI tract pushing bolus along
