Abdomen Flashcards
How far superiorly does the abdomen extend
4th intercostal space
–protects some abdominal viscera
What are the boundaries of the abdomen
superiorly: diaphragm
Inferiorly: plane of pelvic inlet
anteriorly: anterior abdominal wall
posteriorly: posterior abdominal wall
What is the abdominopelvic cavity
area between the thoracic diaphragm and pelvic diaphragm
-continuous with pelvic cavity
What lines the abdominopelvic cavity
peritoneum
-also covers the viscera
Where is the peritoneal cavity
between peritoneal layers in abdominal cavity
What are the planes that create the regions of the abdomen
- Subcostal plane-horizontal line inferior to 10th costal cartilage
- Transtubercular plane- horizontal line through iliac tubercles and L5 vertebrae
- Midclavicular plane- vertical line through the midpoint of both clavicles and midlinguinal points
What are the 9 regions of the abdomen
epigastric region R/L hypochondriac regions Umbilical region R/L lateral regions Pubic region R/L inguinal regions
What is the transumbilical plane
horizontal plane umbilicus and IVD L3-4
What is the Median Plane of the abdomen
vertical line through midpoint of body
What doe the transumbilical and median planes form
right and left upper quadrant
right and left lower quadrant
What are the contents of the RUQ
right lobe of liver gallbladder stomach (pylorus) duodenum head of pancreas right suprarenal gland right kidney ascending colon( superior half) transverse colon (right half)
What are the contents of the LUQ
left lobe of the liver spleen stomach jujunum and proximal ileum body and tail of pancreas left suprarenal gland left kidney left colic flexure Transverse colon (left half) descending colon (superior part)
What are the RLQ contents
cecum appendix ascending colon (inferior part) ileum (most of it) right ovary right uterine tube right ureter right spermatic cord uterus (if enlarged) urinary bladder (if very full) right
What are the contents of the LLQ
descending colon (inferior part) sigmoid colon left ovary left uterine tube left ureter left spermatic cord uterus (if enlarged) urinary bladder (if very full)
