Abdomen Flashcards
what is largest cavity in human body
abdomen
what is the abdomen bounded in front and at the sides by
abdominal and iliac muscles
what is abdomen bounded by behind
vertebral column, psoas and quadrates lumborum muscles
what is abdomen bounded by above
by diaphragm
what is abdomen bounded by below
a plane extending from the sacral prominens
what does the abdomen contain
greater part of digestive tube, accessory organs to digestion, spleen, kidneys, and adrenal glands
what are most of the structures in the abdomen covered and supported by
an extensive and complicated serous membrane
what is the serous membrane called that supports and covers structures in abd
peritoneum
what is the largest serous membrane in the body
peritoneum
what has several folds extending into the abdomen itself
peritoneum
what are the peritoneal organs
liver, gallbladder, spleen, stomach, ovaries, and majority of intestines
what are the peritoneal organs enclosed within
the peritoneum
where are the retroperitoneal organs located
outside the peritoneal space (posterior)
what are the retroperitoneal organs
kidneys, ureters, adrenal glands, pancreas, duodenum, aorta, IVC
what are the retroperitoneal organs in the pelvis
bladder, uterus, and prostate gland
what part of colon is also fixed primarily in retroperitoneum
ascending and descending
several folds of the peritoneum extend in the viscera to do what
support, enclose, and supply vasculature to the abdominal organs
what are the extensions of the folds of the peritoneum extending into the viscera
mesentery and omentum
where does the mesentery attache to
small bowel
what is a pair of folds, greater and lesser, attaching to the stomach
omentum
what are other extensions of peritoneum
ligaments
what do the ligaments do
connect organs and anchor them to the abdominal wall
what is the liver divided by
fissures and tendons
how many lobes of the liver are there
4
what are the 4 lobes of liver
right, left, caudate, and quadrate
what lobe of liver is largest
right
what does right lobe of liver occupy
larger portion of right upper quadrant
where is gallbladder visualized in sectional imaging
inferior surface of the liver
where does the liver get the venous blood from
portal vein
where does the portal vein itself receive blood from
superior mesenteric (SMV), inferior mesenteric (IMC) and splenic veins
where does the arterial blood supply to the liver originate from
common hepatic artery
what is one of the three branches of the celiac trunk
common hepatic artery
where is the spleen located
left upper quadrant
where is the spleen’s upper pole related to
lower ribs
where does the most inferior part of the spleen extend to
L2
where does the spleen’s arterial blood supply come from
splenic artery
what is one of the three branches of the celiac trunk
splenic artery
the splenic vein receives the _______ vein then merges with _________ vein to form the ________ vein
inferior mesenteric, superior mesenteric, portal
what is a highly vascular organ that is residence to cells of the reticuloendothelial system
spleen
what are those cells involved in producing (spleen)
antibodies and opsonins to foreign invaders
the spleen can be a source of significant ___________ in patients who have sustained blunt abdominal trauma to left upper quadrant
hemorrhage
where is the pancreas located
upper abdomen
what is the 4 parts of pancreas
head, body, tail and uncinate process
what is the head of the pancreas surrounded by
duodenum
where does the tail of the pancreas lay
in spleno-renal ligament
where does the tail of pancreas enter the spleen
hilum of spleen
the common bile duct traverses through what
head of pancreas and joins with the pancreatic duct