What is the definition of the peritoneal reflection?

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What is the definition of the peritoneal reflection?

Postby Traveler001 » Sun Aug 19, 2007 2:38 pm

I cant find it online anywhere.. but have heard my Drs mention it a lot. I guess it is a line above or below the pelvis?



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Postby PammySue_51 » Sun Aug 19, 2007 4:48 pm

peritoneal = referring to the pertoneum

peritoneum = the serous membrane lining the abdominopelvic walls and investing the viscera. A strong, colorless membrane with a smooth surface, it forms a double-layered sac that is closed in the male and is continuous with the mucous membrane of the uterine tubes in the fame. The potential space between the perietal and visceral peritoneum is called the peritoneal cavity.

reflection = (1) a turning or bending back; a bending back upon its course. (2) in physics, the turning back of a ray of light, sound, or heat when it strikes against a surface that it does not penetrate. The ray before reflection is known as the incident ray; after reflection, it is the reflected ray. (3) an image produced by this process. (4) a special form of reentry in which an impulse crosses a narrow area of diminished responsiveness to excite distal tissue, pauses long enough for repolarization of proximal tissue, and returns, retracting its pathway and reexciting the same fibers in reverse rather than transversing a circuit. If the returning impulse is strong enough, a seesaw movement of current can result, causing tachyarrhythmias.

This is from Dorland's Medical Encyclopedia and I'm sure it's way too much information. That's all I could find. Please don't ask me to translate into English.


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What is the definition of the peritoneal reflection?

Postby weisssoccermom » Sun Aug 19, 2007 5:37 pm

Wel this question stumped me and after finding many references to it, none of which explained what it was, I decided to call my son's girlfriend's mother (hope that makes sense) who is a nephrologist (kidney specialist-MD)

Anyway, here is what she told me:

The peritoneal reflection is an anatomical term that defines a place or a point. It is an "apron" that covers the intestines, etc. that is comprised of fat and lymph nodes. The reflection is the "waist" or middle of the apron.
The peritoneal part refers to the cavity that it is covering. (I saw a reference to a reflection but discussing a different part of the body so there must be other "reflections") The peritoneal cavity starts at the top of the abdominal cavity and extends thru the pelvis. She also stated that the peritoneal reflection is the way the tissues come together, at least that's what I wrote down.

In googling this, I found that it makes a difference mostly in rectal cancers as to the type of surgery that can be performed. Most of those articles were determing if transanal excisions/transanal microscopic surgeries could be performed.

I'm not sure if this helps, but it is the best that I could do.

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