Jelly-like exudations are also found in these membranes in the mesentery and in the retro-peritoneal tissue.
This is readily apparent in the direct observation of the blood-vessels of an inflamed, transparent part of the body, as the mesentery of the frog or rabbit, or the tongue and webbed foot of the former animal.
In the observation of the mesentery or other transparent part of a suitable animal, the changes taking place in inflammation are, at the outset, limited to the blood-vessels and their immediate vicinity.
But in the middle line of the dorsal and ventral sides the pouches remain separated, their approaching walls joining here to form a thin vertical partition, the mesentery (dm and vm).
This mesentery afterwards takes the form of a thin membrane, which fastens the visceral tube to the chorda (or the vertebral column).
It is to the constriction of the vessels in the entering mesentery and later to their possible complete obstruction that are due the late serious phenomena of intussusception, e.
These bands are commonly situated between different parts of the mesentery or between the mesentery and another organ such as the appendix.
A coil of intestine may also slip into a hole in the mesentery or omentum or find its way into a pouch of peritoneum, forming what is known as an internal hernia.
The mesentery attached to the upper portion is necessarily dragged in with it.
Some of Galen's contemporaries asserted that upon exposing the mesentery of a sucking animal several small vessels were seen filled first with air, and afterwards with milk.
Fever from matter formed in the mesentery is probably more frequent than is suspected.
Inflammation of the mesentery is attended with pains like colic, and with curdled or chyle-like stools.
At first very short and narrow, it grows in succeeding stages longer and wider, making its way backwards in the mesentery of the alimentary tract (Plate 40, fig.
We have already called attention to the peculiar mesentery present in the adult attaching the posterior straight part of the intestine to the ventral wall of the body.
This mesentery is shewn in section in the embryo in Plate 38, fig.
In most parts this tissue is definitely confined within the limits of the ovary, and does not extend into the mesentery by which the ovary is attached.
The septum dividing the body cavity from the pericardial cavity is prolonged backwards, till it meets the ventral wall of the body at the point where the liver is attached by its ventral mesentery (falciform ligament).
The part of the membrane between the stomach and liver is narrow, and constitutes a kind of mesentery suspending the liver from the stomach: it is known to human anatomists as the lesser omentum.
The primitive simplicity in the arrangement of the mesentery is usually afterwards replaced by a more complicated disposition, owing to the subsequent elongation and consequent convolution of the intestine and stomach.
It arises by a secondary fusion, and is not a remnant of a primitive ventral mesentery (vide pp.
The mesentery (M) is very much deeper and thinner than on the previous day.
The mesentery of the stomach, or mesogastrium, enlarges in Mammalia to form a peculiar sack known as the greater omentum.
Its dorsal wall is attached to the gut, and is continuous with the mesentery of the gut passing to the dorsal abdominal wall, forming the posterior mediastinum of human anatomy.
As the ductules grow longer and become branched, vascular processes grow in between them, and the whole forms a compact glandular body in the mesenteryon the dorsal side of the alimentary tract.
Galen disputed this, for he believed that the intestinal chyle was carried by the veins of the mesentery into the liver.
In 1687 Cowper saw the passage of the arterial into the venous current in the mesentery of a cat.
Herophilus and Erasistratus had seen white vessels connected with the lymph-nodes in the mesentery of animals, and supposed them to be arteries full of air.
Albrecht mentions a case shown at a meeting of the Vienna Medical Society of a very large number of spleens found in the mesogastrium, peritoneum, on the mesentery and transverse mesocolon, in Douglas' pouch, etc.
Tardieu relates the case of a chemist who removed a large part of the mesentery with a knife, and yet recovered.
The line of junction between the left and right peritoneal vesicles forms in the larva a ring-like mesentery dividing the oral from the aboral part of the body cavity.
The anterior termination of the trunk division of the body cavity is marked in the adult by the mesentery dividing into two laminae, which bend outwards to join the body wall.
Before the hatching of the embryo takes place this mesentery is continued backwards so as to divide the primitively unpaired caudal part of the body cavity in the same way.
In all the Craniata, the ovary forms a paired ridge (unless single by abortion or fusion) attached by a mesentery to the dorsal wall of a more or less extended region of the abdominal cavity.
The other edge of the mesentery is gathered up as you have gathered the ruffle.
The mesentery is a delicate, narrow membrane about twenty feet long.
The stomach turned over to the animal's right, the Spigelian liver lobe cleared from the oesophagus, the mesentery supporting spleen and hiding solar plexus picked off, and the mesentery hiding sympathetic cleared.
The still unabsorbed yolk in the ventral wall of the mesentery gives the creature a big belly.
The oesophagus, just in front of the stomach, should be cut through, and the rectum, and the mesentery and alimentary canal supported by it, removed.
Cutting through the mesenterysupporting the kidney laterally, the dorsal aorta is exposed, and on either side of it the sympathetic chain and rami communicantes, often tinged with black pigment.
The mesenteric glands were small and rather firm, but they contained no black matter; the mesentery was much congested with dark venous blood.
Perforations of the intestines or appendix, inflammation of the mesentery or peritoneum, may allow putrid material to escape into the cavity proper, where bacterial action will produce noxious gases.
Between the two layers of the mesentery we find the blood vessels, nerves, lacteals, and glands, leading to and from the intestines.
The mesentery is fan shaped, and is attached to the second lumbar vertebra.
The length of the mesentery fan is about eight inches from commencement to termination at intestine.
In Tabes mesenterica (tuberculosis of the mesenteric glands), usually occurring in children, the glands of the mesenteryand retroperitonaeum become enlarged, and either caseate or occasionally suppurate.
Rarely, and in a purely clinical sense, cancer of the bowels may exist as a lympho-sarcoma in the small intestine, and then through progression from the glands of the mesentery or elsewhere.
A portion of bowel with its accumulated contents having a redundant mesentery and paralyzed by enormous distension or by inflammation, or by both, may readily be twisted more or less completely, and in some cases several times upon itself.
The same thickening and retraction of the mesentery and omentum may occur in cancerous as in tuberculous peritonitis.
Second, the portion of bowel attached to the lengthened mesentery may become filled with an enormous quantity of fecal matter and paralyzed by the great distension.
The mesentery and mesocolon are seen in a similar condition, causing wrinkling and shortening of the bowels.
It is not usual to find all the glands of the mesentery affected at once, nor of those affected all in the same stage of disease.
This change in the mesenteric root may have been caused by the dragging of an old and large hernia, or the mesentery may have been lengthened by relaxation of the abdominal walls from childbearing or by the disappearance of fat.
For weeks before the final attack the patient usually has symptoms of intestinal disorder, such as flatulence, constipation, and spells of colic, due no doubt to the changes provoked by the elongated mesentery and bent or curved intestine.
The strangulation of the intussuscepted mesentery with its vessels easily accounts for the hemorrhage in such cases.
However caused, before torsion of the gut takes place the mesentery is elongated, so that the two ends are approximated and something like a pedicle formed.
The mesentery attached to the included lengths of bowel--viz.
In the Hopital des Enfants Maladies tubercles were found in the mesenteryof one-half of the children dying of {1185} tuberculous affections.
Lying within the mesentery near the posterior end of the body-cavity note a small red glandular mass, the spleen.
Note in the loop of the stomach in the mesentery an irregular pinkish glandular structure which leads by a small duct into the intestine.
The mesentery supporting the numerous looping branches of the superior mesenteric artery.
Cross section of small artery in the mesentery 56 11.
The enormous number of such vessels in the mesentery and intestines explains the ability of the splanchnic area to accommodate the greater part of the blood in the body.
In another, almost the whole mesentery was mortified and there was an anthrax or carbuncle at the upper fore part of the armpit.
In one case, of a young woman aged twenty, the mesenterywas filled with obstructed glands and the intestines mortified in different places.
The jejunum forms the upper two-fifths of the rest of the small intestine; it, like the ileum, is thrown into numerous convolutions and is attached by the mesentery to the posterior abdominal wall.
The peritoneum he describes under the name of siphac, in imitation of the Arabians, the omentum under that of zirbus, and the mesentery or eucharus as distinct from both.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "mesentery" in a variety of sentences. We hope that you will now be able to make sentences using this word.
