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Topic: Mesentery


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  Mechanisms of cell injury in rat mesentery and cremaster muscle -- Harris et al. 274 (3): H1009 -- AJP - Heart and ...
There were no significant differences in PI staining in mesentery between normal and leukopenic animals, indicating that leukocytes are not a major mechanism in resultant tissue injury in mesentery.
injury in the mesentery, whereas the injury was abolished in the
in the mesentery is that it is associated with mast cell degranulation.
ajpheart.physiology.org /cgi/content/full/274/3/H1009   (4344 words)

  
 Inguinal Region
Mesentery – a double layer of peritoneum which encloses an organ and connects it to body wall, blood vessels supplying that organ lie within the mesentery.
Lesser omentum: derived from the ventral mesentery of the embryo with the falciform ligament, attaches to lesser curvature and dorsal surface of stomach (hepatogastric and hepatoduodenal ligaments).
The jejunum and ileum are suspended by the mesentery which is directed obliquely, inferior, and to the right from the duodenal jejunal flexure to the left side of L2 vertebrae and to the right sacroiliac joint (next to midbody of L5).
wings.buffalo.edu /smbs/ana/newpage43.htm   (1841 words)

  
 From the Archives of the AFIP: Benign Fibrous Tumors and Tumorlike Lesions of the Mesentery: Radiologic-Pathologic ...
Benign Fibrous Tumors and Tumorlike Lesions of the Mesentery: Radiologic-Pathologic Correlation
Benign fibrous tumors and tumorlike lesions of the mesentery
Soft-tissue sarcomas that arise in the mesentery or retroperitoneum
radiographics.rsnajnls.org /cgi/content/full/26/1/245   (6007 words)

  
 Mesentery definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
Mesentery: A fold of tissue which attaches organs to the body wall.
The word mesentery usually refers to the small bowel mesentery which anchors the small intestine to the back of the abdominal wall.
Other mesenteries exist to support the sigmoid colon, appendix, transverse colon, and portions of the ascending and descending colon.
www.medterms.com /script/main/art.asp?articlekey=4356   (201 words)

  
 Chennai ISOLATION & LIGATION OF BLOOD VESSEL IN MESENTERY
Isolate the loop of bowel to be resected.
Transilluminate the mesentery to study the pattern of blood supply to the bowel segment.
Choose a shallow wedge of mesentery for benign lesions and deeper wedge for malignancies.
www.edu.rcsed.ac.uk /madras/t2-1.html   (164 words)

  
 SSAT - 2003 Abstract: Abdominal Evisceration, Ex Vivo Resection and Intestinal Autotransplantation for the Treatment of ...   (Site not responding. Last check: )
BACKGROUND: Resection of lesions of the root of the mesentery is difficult because of their proximity to the blood supply of the intestine.
For this reason, curative, clear margin resection of lesions with an extensive involvement of the root of the mesentery is sometimes impossible using the conventional surgical procedures.
STUDY DESIGN: We describe a surgical technique drawn from our experience in intestinal transplantation, in which the root of the mesentery including the lesion, as well as the head or the entire pancreas, duodenum, small intestine and part of the colon are excised en block and preserved in a cold solution.
www.ssat.com /cgi-bin/abstracts/03ddw/plenary19.cgi?affiliation=   (374 words)

  
 Untitled Document
The stellate appearance of the mesentery is caused by thickening and rigidity produced by microscopic infiltration of tumor within the fat along the mesenteric blood vessels.
Spread to the mesentery is common and appears as increased attenuation in the mesenteric fat, perivascular soft tissue thickening and rigidity of the vascular bundles [22].
In addition to diffuse thickening and fine nodularity of the mesentery and infiltration of the mesenteric fat, CT features that suggest the diagnosis include enhancement and smooth thickening of the peritoneum, high density ascites, thickening of the bowel wall, particularly the terminal ileum and the cecum and low attenuation mesenteric nodes [12] [13] [24].
www.ctisus.org /multidetector/syllabus/mesenteric_neoplasms.html   (1998 words)

  
 Chapter 26: The abdominal viscera and peritoneum
The peritoneal reflection to the jejunum and ileum is termed the mesentery, whereas those to the colon are each known as a mesocolon.
The stomach and intestine (gut tube) in the embryo are attached by a continuous mesentery to the posterior abdominal wall.
It is usually stated that the liver grows ventrally from the diaphragm into the ventral mesentary, thereby dividing it into (1) a portion from the anterior abdominal wall to the liver, i.e., the falciform ligament, and (2) a part from the liver to the stomach and duodenum, i.e., the lesser omentum.
www.dartmouth.edu /~humananatomy/part_5/chapter_26.html   (2538 words)

  
 Untitled Document
The stellate appearance of the mesentery is caused by thickening and rigidity produced by microscopic infiltration of tumor within the fat along the mesenteric blood vessels.
Spread to the mesentery is common and appears as increased attenuation in the mesenteric fat, perivascular soft tissue thickening and rigidity of the vascular bundles [22].
In addition to diffuse thickening and fine nodularity of the mesentery and infiltration of the mesenteric fat, CT features that suggest the diagnosis include enhancement and smooth thickening of the peritoneum, high density ascites, thickening of the bowel wall, particularly the terminal ileum and the cecum and low attenuation mesenteric nodes [12] [13] [24].
www.ctisus.com /multidetector/syllabus/mesenteric_neoplasms.html   (1998 words)

  
 Alterations of the Rat Mesentery Vasculature in Experimental Diabetes
SUMMARY: The alteration induced by diabetes on vascular permeability to serum albumin was investigated in the mesentery of streptozotocin-induced hyperglycemic rats.
I and dinitrophenol-haptenated) heterologous albumin was intravenously administered in normal and hyperglycemic animals, and the extravasation of the tracer was evaluated by radioactivity measurements and by morphometry at the ultrastructural level using quantitative protein A-colloidal gold immunocytochemistry.
After 3 months of diabetes, the rats presented a net increase in the average diameter of the blood vessels localized in the mesentery arcada (macrovascular hyperplasy) and a notable angiogenesis, manifested at the level of the microvasculature in the mesenteric windows.
info.med.yale.edu /labinvest/abstracts/00months/0008Aug/0008_1171.html   (225 words)

  
 Physiological Correspondences: the Mesentery   (Site not responding. Last check: )
That which is absorbed by the lacteals is carried through a labyrinthine network, knotted by many glands, called the mesentery, and is then collected into a vessel about the size of a finger, situated on the right side of the spinal column, just under the diaphragm, called the receptacle of chyle.
Here it is mingled with the lymph returned by the lymphatics from all the viscera of the abdomen and thorax; and then, through and irregular tube called the thoracic duct, it ascends nearly to the neck, emptying usually into the vein that returns the blood from the left arm to the heart.
The fibres of the network of lacteals run from one gland to another, having also threads which pursue their course with more directness; so that it is possible for the chyle to pass through several glands, or, perhaps, to enter none at all, on its way to the receptacle.
www.theisticscience.org /books/worcester/mesentery.html   (1378 words)

  
 Which surgery for bowel cancer?
The mesentery surrounds the intestine, bowel and rectum.
If the surgeon removes the whole of the mesentery, there is a greater risk of leaks after surgery with cancers in this part of the rectum.
Removing the mesentery is known to lower the risk of your cancer coming back.
www.cancerhelp.org.uk /help/default.asp?page=2921   (910 words)

  
 Mesentery cancer: Mesentery Mesothelioma Medical and Legal Help   (Site not responding. Last check: )
The term mesentery cancer is more or less synonymous with peritoneal cancer (mesothelioma).
Though the term mesentery technically refers to various sections of the peritoneum that attach different organs to the wall of the abdominal cavity, (i.e.
Tumors rarely originate in the actual mesentery, though it is a frequent route for the spread of mesothelioma through the abdominal cavity.
www.mesothelioma-cancer-treatment.com /mesentery_cancer.html   (438 words)

  
 Primitive Gut Morphogenesis
The gut is also intimately associated with a structure of mesodermal origin called the mesentery (indicated in blue in figure 1) that plays a fundamental role in both gut development and the normal function of the adult digestive system.
The ventral mesentery degenerates during development with the exception of the foregut ventral mesentery, which develops into specialized structures (see foregut embryology).
The dorsal mesentery is formed by a double layer of mesothelium that suspends the gut from the dorsal wall of the foregut to the hindgut (see fig.
sprojects.mmi.mcgill.ca /embryology/gi/pgm.htm   (1213 words)

  
 Peritoneal Cavity and Intestines - Dissector Answers   (Site not responding. Last check: )
Initially the entire primordial gut is suspended in the center of the abdominal cavity by a "dorsal mesentery", which is attached to the midline of the posterior body wall.
The cecum, transverse colon and the sigmoid colon are peritoneal, and are suspended by mesenteries.
The mesentery belonging to the parts that are squished against the wall becomes fused with the peritoneal lining of the wall, and is now called "fusion fascia".
anatomy.med.umich.edu /gastrointestinal_system/peritoneum_ans.html   (1933 words)

  
 eMedicine - Mesenteric and Omental Cysts : Article by Amulya K Saxena, MD
Mesenteric cysts can occur anywhere in the mesentery of the gastrointestinal tract from the duodenum to the rectum, and they may extend from the base of the mesentery into the retroperitoneum (Egozi, 1997; Takiff, 1985).
In a series of 162 patients, 60% of mesenteric cysts occurred in the small-bowel mesentery, 24% in the large-bowel mesentery, and 14.5% in the retroperitoneum.
For the purposes of this discussion, a mesenteric cyst is defined as any cyst that is located in the mesentery and may or may not extend into the retroperitoneum; a mesenteric cyst also has a recognizable lining of endothelial or mesothelial cells.
www.emedicine.com /ped/topic2979.htm   (2728 words)

  
 [No title]
Mesentery is an anatomical term that specifically refers to the double layer of
Mesentery: A fold of tissue which attaches organs to the body wall.
mesentery usually refers to the small bowel mesentery which anchors the small...
www.howstuffworks.com /search2.php?pg=&server=www.howstuffworks.com&terms=mesentery   (128 words)

  
 Section 5 Chapter 34 Segmental Colon Resection
The marginal artery is divided, and the mesentery is divided with the electrocautery in the direction of the bifurcation of the middle colic vessels.
The left colon mesentery is divided from the cut edge of the LCA toward the bowel wall, and the marginal artery is divided.
The mesentery of the rectosigmoid is dissected, and the superior hemorrhoidal vessels are divided.
www.acssurgery.com /acsonline/chapters/ch0534.htm   (7904 words)

  
 World J Gastroenterol
to study the characteristic of the flow and distribution of leukocytes in mesentery microcirculation of rats, and analyzed its influencing factors.
In summary, the flow and distribution of leukocytes in the mesentery microcirculation of rats was studied in vivo, and the influencial factors on which were explored under normal conditions.
The result of this study is helpful for the understanding of the mechanism for leukocyte endothelium interaction in physiological state and provides theoretic basis for the study and treatment of increased LEI in pathological processes.
www.wjgnet.com /1007-9327/5/231.asp   (2025 words)

  
 Peritoneum
The term mesentery tends to be used as a generic term describing peritoneal extensions not only from the intestine (as -entery implies), but from all abdominal and pelvic organs.
To be more precise, and less offensive to language purists, sections of peritoneum that suspend specific organs are individually named; for example, mesogastrium for the stomach, mesojejunum for the jejunum and mesometrium for the uterus.
An important feature of mesentery is that it serves as a conduit for blood vessels, nerves and lymphatic vessels going to and from the organ in question.
arbl.cvmbs.colostate.edu /hbooks/pathphys/misc_topics/peritoneum.html   (374 words)

  
 Mesenteric paraganglioma: A case report and review of the literature Archives of Pathology & Laboratory Medicine - ...
We report such a case of extra-adrenal paraganglioma occurring in the anterior mesentery in a 76-year-old man. Two case reports exist in the literature describing extra-adrenal paragangliomas in the posterior mesentery.
Only a handful of case reports describe primary solid tumors of the mesentery, predominantly including fibromatoses, followed by neurofibromas, teratomas, carcinoid tumors, germ cell tumors, and primary neoplasms composed of either smooth muscle, blood vessels, or fat.1,2 We report a case of solitary primary paraganglioma arising in the anterior small bowel mesentery.
Computed tomographic scan of the abdomen/pelvis confirmed a mass in the anterior mesentery (Figure 1), which was aspirated and, based on cytologic features, thought to be consistent with a neuroendocrine tumor.
findarticles.com /p/articles/mi_qa3725/is_200203/ai_n9038674   (910 words)

  
 Laparoscopic Proctosigmoidectomy: Basic Surgical Steps
The bowel is attached to the abdominal wall by a layer of tissue called the mesentery.
The mesentery also contains the main blood vessels (arteries) that supply blood to the left side of the colon and rectum.
First, a part of the healthy descending colon is detached from the mesentery so that it can be stretched toward the rectum.
www.clevelandclinic.org /health/health-info/docs/0300/0341.asp?index=4514   (795 words)

  
 Appendicitis information (symptoms, diagnosis, treatment) written by medical doctors
Most of the time the appendix is in the right lower abdomen, but the appendix, like other parts of the intestine, has a mesentery.
This mesentery is a sheet-like membrane that attaches the appendix to other structures within the abdomen.
The combination of a large mesentery and a long appendix allows the appendix to dip down into the pelvis (among the pelvic organs in women).
www.medicinenet.com /appendicitis/page3.htm   (537 words)

  
 Definition of mesentery - Merriam-Webster Online Dictionary
Middle English mesenterie, from Medieval Latin mesenterion, from Greek, from mes- + enteron intestine — more at inter-
Learn more about "mesentery" and related topics at Britannica.com
See a map of "mesentery" in the Visual Thesaurus
www.m-w.com /dictionary/mesentery   (36 words)

  
 mesentery Information from Drugs.com
A double layer of peritoneum attached to the abdominal wall and enclosing in its fold a portion or all of one of the abdominal viscera, conveying to it its vessels and nerves.
The fan-shaped fold of peritoneum suspending the greater part of the small intestines (jejunum and ileum) and attaching it to the posterior abdominal wall at the root of the mesentery (radix mesenterii).
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www.drugs.com /dict/mesentery.html   (189 words)

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