VHD Relationships Abdomen Flashcards
What are the divisions of the abdomen?
anterior abdominal wall, inguinal canal (and spermatic cord), peritoneal cavity and posterior abdominal wall
What is Camper’s fascia?
the superficial layer of fascia that has adipose tissue and is continuous with the superficial fascia of the thigh
What is Scarpa’s fascia?
the deep membranous layer over the lower portion of the abdominal wall; fuses with fascia lata at the inguinal ligament
What contributes to the rectus sheath?
aponeuroses of the external oblique, internal oblique, and transversus abdominis
The transversalis fascia is _________ to the peritoneum.
superficial
The transversalis is between the ________ and the __________ fascia.
transversus abdominis and fatty extraperitoneal fascia
What are the functions of the muscles of the anterior abdominal wall?
flexion and rotation of the trunk and compression of the abdominal contents (increasing intra-abdominal pressure)
What are the muscles of the anterior abdominal wall?
external oblique, internal oblique, rectus abdominis, transversus abdominis
The inguinal canal passes from the ______ in the transversalis fascia to the __________ in the aponeurosis of the external oblique.
deep ring; superficial ring
The inguinal canal passes from the deep ring in the ______ fascia to the superficial ring in the aponeurosis of the _______________.
transversalis fascia; external oblique
The spermatic cord surrounds the ________ and the __________ as they traverse the inguinal canal.
ductus deferns and testicular vessels
What makes up the spermatic cord?
layers of the anterior abdominal wall
This membrane lines the abdominopelvic cavity
peritoneum
What are the types of peritoneum?
Parietal and visceral and mesentary (double layer)
Where is the parietal peritoneum?
lining the body wall
What does the visceral peritoneum cover?
surface of organs
What do mesentaries do?
suspend intraperitoneal organs from the body wall
double layers of peritoneum are _______
ligaments
What is a retroperitoneal structure?
Organs or vessels covered by peritoneum on at least one surface but not freely suspended from the body wall by a mesentary
What is the falciform ligament?
mesentary-like membrane extending from the anterior abdominal wall to the liver
What is the lesser omentum?
a double layer of peritoneum extending between the liver and lesser curvature of stomach and first part of duodenum
What is the greater omentum?
a double layer of mesentary suspended from the stomach and draping over the transverse colon and small intestine
What are the two compartments of the peritoneal cavity?
lesser sac and greater sac
Where is the lesser sac of the peritoneal cavity?
space posterior to the lesser omentum and stomach that extends between the folds of the greater omentum
How do the greater and lesser sacs communicate?
through the epiploic foramen
The epiploic foramen is positioned directly _________ to the free margin of the lesser omentum.
Posterior
What forms the posterior abdominal wall?
psoas, iliacus, quadratus lumborum and transversus abdominis muscles and their fascia
What is the function of the psoas and iliacus muscles?
flexion of the thigh
What is the function of the quadratus lumborum?
extension and lateral flexion of the trunk; fixation of the 12th rib during respiration
What is the function of the transversus abdominis?
compression of the abdominal contents
Where does the diaphragm pass?
xiphoid process, lower ribs and costal cartilages, medial and lateral arcuate ligaments, and lumbar vertebra to the central tendon
The medial arcuate ligament passes anterior to the ___________.
psoas
The lateral arcuate passes anterior to the __________.
quadratus lumborum
The _________, _____________ and ____________ arteries are the primary blood supply to the anterior abdominal wall.
superior epigastric, musculophrenic and inferior epigastric
Tributaries of the __________, ________, and ___________ veins drain the muscles of the anterior abdominal wall.
superior epigastric, musculophrenic and inferior epigastric
Branches of the __________ and ____________ arteries are the primary blood supply of the posterior abdominal wall.
iliolumbar, lumbar
Tributaries of the ________ and _____________ veins drain the posterior abdominal wall.
iliolumbar and lumbar
The ____________ and __________ arteries and veins supply and drain the diaphragm.
musculophrenic and inferior phrenic
Which branches of the celiac trunk supply the abdominal viscera derived from the embryonic foregut?
left gastric, splenic and common hepatic (proper hepatic, gastroduodenal and right gastric)
Which abdominal viscera derived from the embryonic foregut?
esophagus, stomach, duodenum, liver, gall bladder, pancreas and spleen
Which abdominal viscera derived from the embryonic midgut?
duodenum, pancrea, jejunum, ileum, ascending colon, and transverse colon
Branches of the ____________ supply the abdominal viscera derived from the embryonic midgut.
superior mesenteric artery
Which branches of the superior mesetaric artery supply the abdominal viscera derived from the embryonic midgut?
inferior pancreaticoduodenal, jejunal, ileal, right colic and middle colic
What abdominal viscera are derived from the embryonic hindgut?
descending and sigmoid colon, and rectum
Which branches of the inferior mesentaric artery supply the abdominal viscera derived from the hindgut?
left colic, sigmoid and superior rectal a.
Tributaries of the _______________ drain all of the abdominal viscera.
hepatic portal vein
What viscera does the upper right quadrant contain?
liver, gall bladder, duodenum, pancreas, right colic flexure and pyloris of the stomach
What viscera does the upper left quadrant contain?
stomach, body and tail of pancreas; spleen, left colic flexure and jejunum
What viscera does the lower right quadrant contain?
cecum, ascending colon and ileum
What viscera does the lower left quadrant contain?
descending and sigmoid colon, jejunum, and ileum
What are the landmarks of the stomach?
fundus, body, pylorus and greater and lesser curvatures
The stomach is a ____________ structure.
intraperioneal
The lesser omentum extends from the _________ of the stomach .
lesser curvature
The greater omentum hangs from the ________ of the stomach.
greater curvature
The ___________ is where the esophagus meets the stomach.
cardiac orifice
The ___________ is present where the stomach is continuous with the duodenum.
pyloric sphincter
What are the 4 divisions of the duodenum?
free, descending, horizontal and ascending
Which division(s) of the duodenum are intraperitoneal?
first (free)
The free division of the duodenum is associated with the _______________ of the lesser omentum.
hepatoduodenal ligament
The duodenum is continuous with the jejunum and ileum at the _______________.
duodenojejunal junction
Are the jejunum and ileum intra or retroperitoneal?
intreperitoneal
The ileum is continuous with the cecum at the ____________ junction.
ileocecal
The cecum is the dilation at the origin of the ____________.
Ascending colon
Is the ascending colon intra or retroperitoneal? the cecum?
retroperitoneal; retroperitoneal
The ascending colon is continuous with the transverse colon at the ________.
right colic flexure
Is the transverse colon intra or retro peritoneal?
intraperitoneal; suspended by transverse mesocolon from post. wall
The transverse colon is continuous with the descending colon at the _________.
left colic flexure
Is the descending colon retro or intraperitoneal?
retroperitoneal
What is the sigmoid colon continuous with?
descending colon
Is the sigmoid colon retro or intraperitoneal?
intraperitoneal; suspended by sigmoid mesocolon
Is the rectum intra or retroperitoneal?
retroperitoneal
The __________ and _______ are associated with the second (descending) division of the duodenum.
liver and pancreas