What structural details can you see in the inner lining of the small intestine?

Answer 1

The Small Intestine is the part of the Gastro Intestinal Tract the is concerned with the absorption of nutrients and also does most of the digestion as well. To increase the absorption of these nutrients that biggest surface area possible is required. To acheive this many different folds and proctions are used. We will start of with just immagining the tube was completely smooth inside and give it a relative surface area of 1. The visible folds of the walls that give the walls a wrinkled appearance increase the relative surface area to atout 3, not much of an increase really. ON top of these folds are much smaller almost microscopic folds called Villi which give the wrinkled surface a velvety appearance and increase the relative surface area to 30. A much bigger increase, but wait theres more. On each cell there are hundreds of minute fingerlike projections that stick out into the lumen, are completely invisible to the naked eye and increase the relative surface area to 600. A massive increase. So to answer you question in short the intestinal wall is linedwith Villi and Microvilli.

Answer 2

Small intestine

Made up of three segments - the duodenum, jejunum, and

ileum - the small intestine is a 22-foot long muscular tube that breaks down

food using enzymes released by the pancreas and bile from the liver. Peristalsis

also is at work in this organ, moving food through and mixing it with digestive

secretions from the pancreas and liver. The duodenum is largely responsible for

the continuous breaking-down process, with the jejunum and ileum mainly

responsible for absorption of nutrients into the bloodstream.

Contents of the small intestine start out semi-solid, and end in a liquid

form after passing through the organ. Water, bile, enzymes, and mucous

contribute to the change in consistency. Once the nutrients have been absorbed

and the leftover-food residue liquid has passed through the small intestine, it

then moves on to the large intestine, or colon.

Answer 3

The structural details that you can see in the inner lining of the small intestine of a fetal pig are villi. Villi are small, finger-like projections whose main role is to absorb nutrients.

Answer 4

The lining of the small intestine is the mucosa membrane. The folds of the mucosa are covered with tiny projections called villi.

Answer 5

lumen!!