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So let's talk about the Retro peritoneum.

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The Retro peritoneum is the region of the abdomen located posteriorly to

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the peritoneal cavity its contents. We're

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thinking about the adrenal glands the order and

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the IBC which we see in the middle of the screen the duodenum

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the second and third portion specifically and

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then the organ of note that sort

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of a little bit of a Lone Ranger is the pancreas that also

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sits here. We have the ureters. We have

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parts of the GI tract that include

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in addition to the second and third portions of

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the door. We have the ascending in descending portions

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of the cold and as well as in the thorax, we

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have the esophagus and then in the pelvis we

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have the rectum.

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Now the retroperating organ that's really the dominant

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players the kidneys, of course, we mentioned the ureters being

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a portion of that and the super renal glands the

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adrenal glands sitting on top of that but the kidneys are the star of the

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show when it comes to the retroperitoneal compartment.

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So there are three divisions the anterior power renal space the posterior

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power rental space and the peruvino space.

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Let's talk about the anterior parallel space so that we can Define our

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territory and to really what do

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we have here? We have the parietal peritoneum.

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Posteriorly we have the anterior renal

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fascia. And then laterally we have

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the lateral count of fashion. Okay, and we have the organs

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that we discussed previously ascending and descending

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portions of the colon.

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pancreas in that nice anterior power renal space

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So when we think about the posterior power renal space we want

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to mark that out again.

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Here in similar fashion. We have anteriorly the

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posterior Reno and

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lateral carnal fascia.

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And then we have posteriorly we have

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the transverse salads fascia in

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this opens inferiorly to the

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pelvis.

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So when we think about the contents, it's actually typically rachapiritual

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fat.

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So when we think about the Perino space now, this is where

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we would find Perino fat and this is a

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space between the renal capsule and the renal

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fascia. And anteriorly. The renal fascia

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is often known as charodis fascia and posteriorly

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often known as Zucker candles

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fashion.

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And what do we find here again? The star of the show the

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kidneys and of course the ureters that drain from the

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kidneys and that little organ that sits

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on top of each kidney known as the adrenal glands or super renal

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glands.