Abdominal Organs Flashcards
Right Upper Quadrant
Right lobe of liver Gallbladder Stomach pylorus Duodenum Head of pancreas Right suprarenal gland Right kidney Hepatic flexure Superior portion of ascending colon Right half of transverse colon
Left Upper Quadrant
Left lobe of liver Spleen Stomach Jejunum and proximal ileum Body and tail of pancreas Left kidney Left suprarenal gland Splenic flexure Superior portion of descending colon Left half of transverse colon
Right Lower Quadrant
Cecum Appendix Most of ileum Inferior portion of ascending colon Right ovary/uterine tube/spermatic cord Uterus (if enlarged) Urinary bladder (if very full)
Left Lower Quadrant
Sigmoid colon Inferior portion of descending colon Left ovary/uterine tube/spermatic cord Uterus (if enlarged) Urinary bladder (if very full)
Sympathetic Stomach Innervation
Greater splanchnic, T5-9
Parasympathetic Stomach Innervation
Vagus
Other Stomach Innervation
Celiac ganglion & plexus
Superior mesenteric ganglion & plexus
Hiatal Hernia
Protrusion of stomach into mediastinum through esophageal hiatus
Occurs more often after middle age, distressful and pain
Hiatal Hernia Types
Paraesophageal
Sliding
Paraesophageal Hernia
Cardia remains in normal position
Part of fundus herniated
Usually no regurgitation of stomach contents
Sliding Hernia
Abdominal portion of esophagus + cardia + part of fundus all herniated
Regurgitation possible
Congenital Diaphragmatic Hernia
Poor development of diaphragm
Could have pulmonary hypoplasia
High mortality
Referred Pain for Stomach
Gastric and peptic ulcers refer to epigastric region
Referred Pain for Duodenum
Lower epigastric region
Umbilical region
Referred Pain for Diaphragm
Upper R. shoulder
Referred Pain for Small Intestine
T5-9
Paraumbilical
Appendicitis
Acute inflammation common in young people
Rupture causes peritonitis/nausea/vomiting
Appendicitis Referred Pain
Vague paraumbilical pain
T10
Possible lower right quadrant
Surgery for Appendicitis
McBurney’s Point
Laproscopy
Arterial Supply of Pectinate Line
Above - IMA
Below - internal iliac artery
Venous Drainage of Pectinate Line
Above - portal vein
Below - IVC
Lymphatic Drainage of Pectinate Line
Above - internal iliac lymph nodes
Below - inguinal lymph nodes
Innervation of Pectinate Line
Above - visceral
Below - somatic
Epithelial Coverage of Pectinate Line
Above - Stratified nonkeratinized
Below - Change to keratinized
Internal Hemorrhoids
Above pectinate line
Prolapse of rectal mucosa
Painless
External Hemorrhoids
Below pectinate line
Painful
Pancreas Referred Pain
Small tumor - jaundice w/ no pain
Large tumor - jaundice w/ pain
Pancreas Innervation
Greater Splanchnic - T5-9
Liver Blood Supply
75-80% - portal vein
20-25% - hepatic artery
Portal Triad
Housed by hepatoduodenal ligament
Portal Triad composed of
Hepatic portal vein
Hepatic artery
Common bile duct
Gall Bladder Referred Pain
Localized if enlarges and touches ribs
Referred if enlarges and touches diaphragm
Gall Stones
Below ribs if there is no contact w/ diaphragm
Referred to right shoulder if diaphragm involved