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Address : 12780 NW Cornell Rd, Portland, OR 97229, United States
States: Oregon
City: Portland
Post: 97229
Phone : 503-646-0863
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The esophagus contains varying amounts of striated muscle.
The esophagus
The esophagus has two types of muscles. The upper third of the esophagus is composed of striated muscles, while the lower third contain smooth muscles. The muscles in the middle are a mixture of both striated and smooth.
The Esophagus has 9 specific layers, if you are healthy. They are: mucosa, saliva, lamina propria, smooth muscle, papillae, muscularis extenma, striated muscle, and adventa.
There are three types of muscle tissue. Cardiac, which is the heart. Striated, or skeletal muscles and smooth muscle tissue. The smooth muscles create waves that move food down the esophagus and through the intestines. The wave motion is called peristalsis.
Smooth muscles make up most of the esophagus, but the upper portion also contains some voluntary or skeletal muscle. The muscles move in a wave like pattern to move food down into the stomach through a process called "peristalsis". At the distal end is the lower esophageal sphincter, a ring of smooth muscle that controls movement of food between the stomach and esophagus.
M Line
They are striated because striated means kind of stripey and the muscles has stripes of muscle itself.
Is there now a CE requirement for medical instruments to have clinical data
Smooth muscle contains no striations whereas cardiac and skeletal muscles are striated.
skelatal
Striated