• Posteriorly, it is separated from the lumbar vertebrae and intervertebral fibrocartilages by the anterior longitudinal ligament and left lumbar veins. (wikipedia.org)
  • It then takes a right turn again and descends vertically through the left lumbar region to the left iliac fossa as the descending (left) colon. (medscape.com)
  • Opposite the lower border of L4 [fourth lumbar vertebra], it divides into dividing into the right and left common iliac arteries. (medcaretips.com)
  • it then descends within the thorax on the left side of the vertebral column, passes into the abdominal cavity through the aortic hiatus in the diaphragm, and ends opposite the lower border of the fourth lumbar vertebra by dividing into the right and left common iliac arteries. (medscape.com)
  • It descends in front of the vertebral column and ends on the body of the fourth lumbar vertebra, commonly a little to the left of the midline, by dividing into the 2 common iliac arteries. (medscape.com)
  • the iliac branches of the iliolumbar vessels, the fourth lumbar artery, and the right kidney. (rasoulazizi.com)
  • In human anatomy, the abdominal aorta is the largest artery in the abdominal cavity. (wikipedia.org)
  • The abdominal aorta is clinically divided into 2 segments: The suprarenal abdominal or paravisceral segment, inferior to the diaphragm but superior to the renal arteries. (wikipedia.org)
  • The abdominal aorta lies slightly to the left of the midline of the body. (wikipedia.org)
  • Contrast enhanced MRA of the abdominal aorta demonstrating normal paired arteries. (wikipedia.org)
  • The transverse colon takes a right-angle turn just below the spleen (the left colic or splenic flexure) and becomes the descending (left) colon, which lies vertically in the most lateral part of the abdominal cavity. (medscape.com)
  • Sigmoid mesocolon, containing superior rectal vessels, has an inverted-V - shaped attachment to the posterior abdominal wall - the tip of the V lying on the pelvic brim over the left ureter. (medscape.com)
  • The celiac artery originates from the abdominal aorta located just below the diaphragm and branches into the left gastric artery, common hepatic artery, and the splenic artery. (bodytomy.com)
  • The celiac artery, which is also referred to as the celiac trunk, is a major branch of the abdominal aorta. (bodytomy.com)
  • At the top of the hip bones, the abdominal aorta branches into the common iliac arteries that supply oxygenated blood to the legs. (bodytomy.com)
  • Peritoneum covers it anteriorly and on both sides, fixing it to the posterior abdominal wall and forming a paracolic gutter on its left side. (learnsurgeryonline.com)
  • Right colic artery - ascends to the right behind the peritoneum of the posterior abdominal wall, across the right psoas and ureter, and divides into ascending and descending branches. (learnsurgeryonline.com)
  • There was no vascular disease in the abdominal aorta, celiac artery, or superior mesenteric arteries. (patientcareonline.com)
  • The spleen is an intraperitoneal organ located in the left hypochondriac region of the abdominal cavity. (shiken.ai)
  • For nontraumatic abdominal emergencies, ultrasound is used to investigate biliary colic, pelvic pain in women, scrotal pathology in men, suspected appendicitis or intussusception in children, and lower-extremity deep venous thrombosis. (radiologykey.com)
  • Imaging in the arterial phase can be performed to evaluate mesenteric ischemia, aortic dissection, or aneurysm, and can also be used to improve visualization of the pancreas in patients with upper abdominal pain. (radiologykey.com)
  • The brachiocephalic trunk is the largest branch of the arch of the aorta and divides into the right common carotid and right subclavian arteries. (medscape.com)
  • The sigmoid colon is supplied with blood from several branches (usually between 2 and 6) of the sigmoid arteries , a branch of the IMA. (wikidoc.org)
  • The right colon is supplied by the middle colic artery (a branch of the superior mesenteric artery) and the right colic artery (a branch of the ileocolic artery). (medscape.com)
  • The left colon is supplied by the sigmoidal, left colic, and superior rectal branches of the inferior mesenteric artery. (medscape.com)
  • The ascending colon takes a right-angle turn just below the liver (the right colic or hepatic flexure) and becomes the transverse colon, which takes a horizontal course from right to left. (medscape.com)
  • The terminal branches of these arteries entering the wall of the colon are called vasa recta. (medscape.com)
  • It then takes a right turn and continues as the horizontally placed transverse colon, which reaches across the epigastrium to the left hypochondrium under the spleen. (medscape.com)
  • The right celiac ganglion (one of the two masses of nerve tissue that supply the stomach, liver, spleen, gallbladder, kidney, small intestine, and the ascending colon and transverse colon of the large intestine) and the caudate lobe of the liver are on its right side, and the left celiac ganglion lies on its left. (bodytomy.com)
  • Which of the following arteries is the most likely additional source of blood to the descending colon? (practicetestgeeks.com)
  • Colon and rectal cancer is one of the most common neoplasms in Western countries with an incidence of 20-34 cases per 100,000 inhabitants. (barnaclinic.com)
  • Colon or rectal cancer is also known as colorectal cancer. (barnaclinic.com)
  • Posteriorly the descending colon lies on the lower pole of the left kidney and the diaphragm, quadratus lumborum, iliacus and psoas. (learnsurgeryonline.com)
  • The sigmoid colon lies in the left iliac region and extends from the pelvic brim to the front of the third sacral segment where it becomes continuous with the rectum. (learnsurgeryonline.com)
  • Posteriorly the sigmoid colon lies on the left ureter and common iliac vessels, superiorly it is covered by coils of small intestine and inferiorly it lies on the bladder in males or the uterus and bladder in females. (learnsurgeryonline.com)
  • The arterial supply of the right colon - that is, the caecum, ascending colon, hepatic flexure and right third or half of the transverse colon - is derived from the superior mesenteric artery, through its ileocolic, right colic and middle colic branches. (learnsurgeryonline.com)
  • It supplies the ascending colon and anastomoses with the ileocolic and middle colic arteries. (learnsurgeryonline.com)
  • Middle colic artery - passes upwards on the body of the pancreas to reach the transverse mesocolon within which it divides to supply the right two-thirds of the transverse colon. (learnsurgeryonline.com)
  • The arterial supply of the left colon - that is, the distal one third of the transverse colon, descending colon and sigmoid colon - is derived from the inferior mesenteric artery, through its left colic, sigmoid and superior rectal branches. (learnsurgeryonline.com)
  • Arterial supply of the ascending colon comes from the ileocolic artery and right colic artery, both branches of the SMA. (rasoulazizi.com)
  • rterial supply to the colon comes from branches of the superior mesenteric artery (SMA) and inferior mesenteric artery (IMA). (rasoulazizi.com)
  • Flow between these two systems communicates via a "marginal artery" that runs parallel to the colon for its entire length. (rasoulazizi.com)
  • The proximal two-thirds of the transverse colon is perfused by the middle colic artery, a branch of SMA, while the latter third is supplied by branches of the IMA. (rasoulazizi.com)
  • The remainder is known as the left colon. (wikidoc.org)
  • The proximal two-thirds of the transverse colon is perfused by the middle colic artery , a branch of superior mesenteric artery , while the latter third is supplied by branches of the inferior mesenteric artery . (wikidoc.org)
  • The hindgut gives rise to the left two thirds of the transverse colon, descending colon, sigmoid colon, and rectum. (clinicalgate.com)
  • It performs the vital function of carrying blood from the left ventricle of the heart to the coronary arteries. (bodytomy.com)
  • Intravenous contrast is not necessary for investigation of uncomplicated renal colic and evaluation of most osseous abnormalities. (radiologykey.com)
  • It passes forward nearly horizontally and divides into 3 large branches: the left gastric, the common hepatic (gastroduodenal and proper hepatic), and the splenic (pancreatic branches, short gastric branches, and left gastro-omental). (medscape.com)
  • Further anastomoses exist between the left gastric artery and the short gastric arteries from the splenic artery as well as the left gastroepiploic (sometimes called gastro-omental) artery. (clinicalgate.com)
  • Venous drainage usually mirrors colonic arterial supply, with the inferior mesenteric vein draining into the splenic vein, and the superior mesenteric vein joining the splenic vein to form the hepatic portal vein that then enters the liver. (rasoulazizi.com)
  • Arterial supply comes via the left colic artery . (wikidoc.org)
  • The spleen is highly vascular, and its arterial supply is mainly provided by the splenic artery, which runs laterally along the superior aspect of the pancreas within the splenorenal ligament. (shiken.ai)
  • The arteries, in their distribution, communicate with one another (forming what are called anastomoses) and end in minute vessels, called arterioles, which in their turn open into a close-meshed network of microscopic vessels, termed capillaries, the true deliverers of oxygen and nutrients to the cells. (medscape.com)
  • Transverse mesocolon, containing the middle colic vessels, is attached to the anterior surface of the pancreas. (medscape.com)
  • Anteriorly, the omental bursa (a cavity in the abdomen that is formed by the lesser and greater omentum) separates the celiac trunk from the lesser omentum (a layer of peritoneum that joins the lesser curvature of the stomach and the first part of the duodenum) to the fissure in the inferior surface of the liver through which all the major blood vessels enter and leave the liver. (bodytomy.com)
  • Arteries are the large vessels that carry blood away from the heart. (medcaretips.com)
  • The arteries further give off branches which further divide into smaller branches called arterioles which in their turn open into a close-meshed network of microscopic vessels, termed capillaries. (medcaretips.com)
  • Arteries are the large vessels that carry oxygenated blood away from the heart (except for the pulmonary circuit, in which the arterial blood is deoxygenated). (medscape.com)
  • The femoral nerve and external iliac vessels lie posteriorly and to the left. (learnsurgeryonline.com)
  • E. The arterial arcade created by communicating vessels at 1 to 2 cm. from the mesenteric is called the artery of Drummond. (latestinterviewquestions.com)
  • The splenic artery branches out into five vessels once it reaches the spleen, each of which supplies a different portion of the organ. (shiken.ai)
  • While the ileocolic artery is almost always present, the right colic may be absent in 5 15% of individuals. (rasoulazizi.com)
  • below these, by the lienal vein (splenic vein), are the pancreas, the left renal vein, the inferior part of the duodenum, the mesentery, and the aortic plexus. (wikipedia.org)
  • The IVC likewise sends its opposite side counterpart, the left renal vein, crossing in front of the aorta. (wikipedia.org)
  • Below the level of the umbilicus, the situation is generally reversed, with the aorta sending its right common iliac artery to cross its opposite side counterpart (the left common iliac vein) anteriorly. (wikipedia.org)
  • This blood is then returned to the left atrium of the heart by pulmonary vein and then passed to the left ventricle and from thereon to the systemic circulation. (medcaretips.com)
  • They are formed by infoldings of the mucous membrane, containing in their interior some bundles of longitudinal muscle and also, as a rule, an artery and a vein. (co.ma)
  • Venous drainage of the spleen is provided by the splenic vein, which then joins forces with the superior mesenteric vein to become the hepatic portal vein. (shiken.ai)
  • While the left gastric artery, which is the narrowest branch of the celiac trunk branches upward, the common hepatic artery and the splenic arteries lie to the right and left. (bodytomy.com)
  • The left gastric artery is ordinarily the first and smallest celiac branch, supplying the distal esophagus and stomach. (clinicalgate.com)
  • The obturator, internal pudendal and inferior gluteal arteries are parietal branches, whereas the other arteries in the above list are visceral arteries (i.e. umbilical, superior and inferior vesical, vaginal, uterine and middle rectal artery). (radiopaedia.org)
  • Throughout main arteries emerge from the aorta to supply different regions of the body and further branch for a wider reach. (medcaretips.com)
  • Right common carotid is branch of brachiocephalic trunk behind the sternoclavicular joint whereas the left is from the highest part of the arch of the aorta. (medcaretips.com)
  • The appendicular artery is a branch of the posterior caecal artery. (learnsurgeryonline.com)
  • The lower pole of the spleen and the greater curvature of the stomach with greater omentum attached lie superior to the splenic flexure. (learnsurgeryonline.com)
  • The spleen is an organ located in the upper left abdomen, which is approximately the size of a clenched fist. (shiken.ai)
  • The spleen is situated in the upper left quadrant of the abdomen, tucked away and hidden from view. (shiken.ai)
  • The spleen contains anterior, superior, posteromedial and inferior borders, with smooth posteromedial and inferior borders, and notched anterior and superior borders. (shiken.ai)
  • If the spleen becomes enlarged (a condition known as splenomegaly), the superior border moves inferiorly and the notches can be felt. (shiken.ai)
  • In enlargement of the spleen (known as splenomegaly), the superior border moves inferomedially, and its notches can be palpated. (shiken.ai)
  • The diaphragm, median arcuate ligament, and origins of the inferior phrenic arteries that supply the diaphragm lie above the celiac trunk, whereas the pancreas lies below it. (bodytomy.com)
  • From the dorsal aorta, the three dominant vitelline arteries are further refined into the celiac trunk, superior mesenteric artery, and inferior mesenteric artery, which correspond to the three primitive gut regions, respectively. (clinicalgate.com)
  • Common toxic effects on the vascular system include myocardial ischemia, mesenteric ischemia, and cerebrovascular accidents. (patientcareonline.com)
  • Coursing along the lesser curvature of the stomach, the left gastric branches unite with the right gastric branches, forming a vascular arcade. (clinicalgate.com)
  • It begins at T12 and ends at L4 with its bifurcation into the common iliac arteries and usually has the following branches: The bifurcation (union) of the inferior vena cava is at L5 and therefore below that of the bifurcation of the aorta. (wikipedia.org)
  • Above the level of the umbilicus, the aorta is somewhat posterior to the IVC, sending the right renal artery travelling behind it. (wikipedia.org)
  • Aorta, which comprises the ascending aorta, aortic arch (part of the aorta that bends and turns downward), and the descending aorta, is the largest artery of the human body. (bodytomy.com)
  • Systemic arteries have a common trunk - the aorta which receives blood from the left ventricle. (medcaretips.com)
  • Aorta is a large trunk that commences at the left ventricle and goes all the way to the abdomen. (medcaretips.com)
  • The aorta begins at the upper part of the left ventricle, ascends for a short distance and arches backward and to the left side. (medcaretips.com)
  • The distribution of the systemic arteries is like a ramified tree, the common trunk of which, formed by the aorta, commences at the left ventricle, while the smallest ramifications extend to the peripheral parts of the body and the contained organs (see the image below). (medscape.com)
  • The aorta commences at the upper part of the left ventricle. (medscape.com)
  • Renal or ureteric colic generally describes an acute and severe loin pain caused when a urinary stone moves from the kidney or obstructs the flow of urine. (abcmedicalnotes.com)
  • Posteriorly it lies on the descending part of the duodenum, head of pancreas, small intestine and the left kidney. (learnsurgeryonline.com)
  • And its medial border is positioned beside the left kidney and the tail of the pancreas. (shiken.ai)
  • The aortic arch forms 2 curvatures, one with its convexity upward and the other with its convexity forward and to the left. (medscape.com)
  • The pulmonary trunk is a vessel that arises from the right ventricle of the heart, extends upward, and divides into the right and left pulmonary arteries that carry deoxygenated blood to the lungs. (medcaretips.com)
  • The superior mesenteric artery usually arises anterior to L1 and the inferior mesenteric artery arises anterior to L3. (clinicalgate.com)
  • Collateral circulation is via the marginal artery of Drummond and the arc of Riolan or the meandering mesenteric artery. (medscape.com)
  • Historically, it has been believed that the arc of Riolan, or the meandering mesenteric artery (of Moskowitz), is a variable vessel connecting the proximal SMA to the proximal IMA that can be extremely important if either vessel is occluded. (rasoulazizi.com)
  • The splenic flexure lies higher than the hepatic flexure and is attached to the diaphgram by a fold of peritoneum, the phrenico-colic ligament. (learnsurgeryonline.com)
  • Malrotation of the gut results in the small intestine lying in the right half of the abdomen and the large intestine lying in the left half. (medscape.com)
  • In this section we will look at the colonic branches of the superior mesenteric artery. (learnsurgeryonline.com)
  • At the superior margin of the greater sciatic foramen it divides into an anterior division and posterior division. (radiopaedia.org)
  • Plain x-rays showed mild left scoliosis without rotation, sclerosis at the L5S1 facets, marginal osteophytes, and decrease in the height of the L5S1 disc space. (doctorsmedicalopinion.com)
  • The circulatory system of the human body consists of arteries, veins, and capillaries. (bodytomy.com)
  • While the arteries carry oxygenated blood from the heart to the other parts of the body, the veins carry deoxygenated blood back to the heart. (bodytomy.com)
  • The capillaries connect the arteries to the veins. (bodytomy.com)
  • In the beginning, it is on the left of the vertebral column but goes to midline gradually with the descent. (medcaretips.com)
  • At its commencement, it is situated on the left of the vertebral column. (medscape.com)
  • On the left side are the left crus of the diaphragm, the left celiac ganglion, the ascending part of the duodenum, and some coils of the small intestine. (wikipedia.org)
  • Its anterior border borders the stomach, its posterior abuts the diaphragm, the left lung, and ribs 9 to 11. (shiken.ai)