-
Cutaneous Innervation:
Area below Xiphoid Process
T6
-
Cutaneous Innervation:
Above umbilicus
T7-9
-
Cutaneous Innervation:
Umbilicus
T10
-
Cutaneous Innervation:
Below umbilicus
T11, Subcostal (T12), Iliohypogastric & Ilioinguinal (L1)
-
Superficial lymphatic vessels above umbilicus drain into which nodes?
- Axillary nodes
- (some parasternal nodes)
-
Superficial lymphatic vessels below umbilicus drain into which nodes?
Inguinal nodes (superficial)
-
Deep lymphatic vessels follow deep veins and drain into which nodes?
Lateral aortic nodes
-
What is the site for indirect inguinal hernias?
Umbilical Triangle (medial inguinal fossae)
-
What is the site for direct inguinal hernias?
- Lateral inguinal fossae
- (Deep inguinal rings - most common site for abdominal hernia)
-
What is another name for the Umbilical Triangle?
Hesselbach Triangle
-
Intraperitoneal Organs? (4)
- Stomach
- Spleen
- Small Intestine (Jejunum & Ileum)
- Sigmoid & Transverse Colon
-
What makes intraperitoneal organs unique?
They have MESENTERY!
-
Retroperitoneal Organs? (4)
*NO MESENTERY*
- Duodenum (small intestine)
- Pancreas
- Ascending & Descending Colon
- GU system (kidneys, ureters, bladder, uterus, etc.)
-
How many peritoneal layers does the Greater Omentum have?
4
-
How many peritoneal layers does the Lesser Omentum have?
2
-
What level does the esophagus enter the Cardial orifice of the stomach?
T11
-
The esophagus passes through the esophageal hiatus in the right crus of the diaphragm at what level?
T10
-
T/F: The esophagus is a retroperitoneal structure?
TRUE
-
Blood supply for abdominal esophagus?
Br. of Celiac Trunk
-
What clinical correlation happens when the stomach protrudes through the esophageal hiatus?
Hiatal Hernia
-
What is the chief function of the stomach?
Enzymatic Digestion
-
-
Folded mucosa of interior stomach?
Rugae
-
T/F: The stomach is a retroperitoneal structure?
FALSE
-
Arterial supply of stomach?
- Branches of Celiac Trunk
- -(L) Gastric A.
- -Hepatic A. --> (R) Gastric A.
-
Veins drain into where from the stomach?
Portal V.
-
Parasympathetic Innervation of stomach?
ANT. & POST. Vagal Trunks
-
Sympathetic Innervation of stomach?
T6-T9 via Greater Splanchnic N.
-
1st part of Small Intestine?
Duodenum
-
2nd part of Small Intestine?
Jejunum
-
3rd part of Small Intestine?
Ileum
-
T/F: The Duodenum is a retroperitoneal structure?
TRUE
-
Arterial supply of Sm. Intestine?
Celiac Trunk
-
Innervation of Sm. Intestine?
Vagal & Sympathetic Nn.
-
T/F: The jejunum & ileum are intraperitoneal structures?
TRUE
-
How long is the Small Intestine?
Approx. 6-7 meters (18-21 feet)
-
-
-
-
LESS/MORE fat in jejunum?
LESS
-
LESS/MORE fat in ileum?
MORE
-
FEW/MANY arcades with LONG/SHORT vasa in jejunum?
FEW arcades with LONG vasa
-
FEW/MANY arcades with LONG/SHORT vasa in ileum?
MANY arcades with SHORT vasa
-
Arterial supply to jejunum & ileum?
Superior Mesenteric A.
-
Parasympathetic Innervation for jejunum & ileum?
- Posterior Vagal trunk
- (increases motility, vasodilator)
-
Sympathetic Innervation for jejunum & ileum?
- T5-T9 via Splanchnic Nn.
- (reduces motility, vasoconstrictor)
-
Distinctive Characteristics of Large Intestine? (4)
- Tenia Coli (3 thickened bands of muscles)
- Haustra ("puckers" between the teniae)
- Appendices Epiploicae/ Omental Appendices (fat "tear drops")
- Larger diameter!
-
First part of large intestine?
Cecum
-
What protrudes off of the cecum?
Appendix
-
Arterial supply of Cecum/Appendix?
Br. of Superior Mesenteric A.
-
T/F: The ascending colon is retroperitoneal?
TRUE
-
Arterial supply of ascending colon?
Superior Mesenteric A.
-
T/F: Transverse colon is a retroperitoneal structure?
FALSE: Intraperitoneal
-
Arterial supply of transverse colon?
Superior Mesenteric A.
-
T/F: The descending colon is a retroperitoneal structure?
TRUE
-
Arterial supply to descending colon?
Inferior Mesenteric A.
-
T/F: The Sigmoid colon is an intraperitoneal structure?
TRUE
-
Arterial supply of Sigmoid Colon?
Inferior Mesenteric A.
-
Arterial supply of Rectum & Anal Canal?
- Inferior Mesenteric A.
- Rectal Br. off Internal Iliac A.
-
Sympathetic innervation of descending colon, sigmoid colon, rectum, and anal canal?
Lumbar Nn.
-
Parasympathetic innervation to descending colon, sigmoid colon, rectum, and anal canal?
Pelvic Splanchnic Nn.
-
Associated organs of GI tract? (3)
- Pancreas
- Liver
- Gall Bladder
-
What is the largest gland in the body?
Liver
-
What are the 3 functions of the liver?
- Stores glycogen
- Secretes bile
- Metabolic functions
- **filters everything!!!
-
Bile produced in the liver is stored where?
Gall Bladder
-
Which ligament separates the liver into (R) and (L) parts & attaches to the diaphragm?
Falciform ligament
-
Largest lymphatic organ in abdominal cavity NOT associated with the GI tract?
Spleen
-
T/F: The spleen is a retroperitoneal organ?
FALSE: intraperitoneal
-
Arterial supply to spleen?
Splenic A. (largest Br. of Celiac Trunk)
-
Which veins form the portal vein?
Splenic V. & Superior Mesenteric V.
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