oesophagus + stomach Flashcards
1
Q
what is it surrounded by
A
muscle
2
Q
how many layers of muscle
A
2
3
Q
…. contractions
A
rhythmic
4
Q
whats the contractions called
A
peristalsis
5
Q
where does peristalsis happen
A
along the length of the alimentary canal
6
Q
why do we need peristalsis
A
push bolus to stomac
7
Q
what are the 2 sphincters
A
oesphageal and pyloric
8
Q
how many types of muscles does the stomach has
A
3
9
Q
name of the outermost muscle of stomac
A
longitudinal
10
Q
midle muscle of stomac
A
circular
11
Q
inner layer of stomach muscle
A
obleque
12
Q
what are the stomac folding tissue called
A
mucossa
13
Q
what deos mucosa form
A
gastric pits
14
Q
why do gastric pits have a protective mucus
A
to stop acid corrosion
15
Q
what under the protective layer of stomac
A
acid and enzymes
