boundaries Flashcards
What are the boundaries of the ab cavity?
superior- diaphragm
inferior - pelvic inlet
How high can the ab cavity extend?
to fourth intercostal space
what is in the the ab cavity?
peritoneal cavity
ab visceral
What is the four quadrant system of naming?
horizontal - trans umbilical (between L3 &L4)
vertical plane - typhoid process through umbilical to pubic symphisis
What are the quadrants in the four quadrant system?
Right upper quadrant
left upper quadrant
right lower quadrant
left lower quadrant
How is the nine quadrant system divided?
two vertical lines (midclavicular planes)
two horizontal lines (subcostal and inter tubercular plane)
What is the superior horizontal plane?
subcostal plane
inferior to costal margin - costal cartilage 10
posteriorly - L3
What is the inferior horizontal plane?
intertubercular plane
connects the turbucles of the iliac crest
passes through L5 vert
Where are the tubercles of the iliac crest palpable?
5cm posterior to the ASIS
What is the vertical plane of reference?
midclavicular plane
mid clavicle to midway between ASIS and pubic symphysis
What are the superior quadrants in the nine quadrant system?
right hypochondrium
epigastric region
left hypochondrium
What are the middle quadrants in the nine quadrant system?
right flank
umbilical
left flank
What is the inguinal region in the nine quadrant system?
Right groin (inguinal) hypogastrium (pubic region) left groin (inguinal)
What are surface anatomy structures of the abdomen?
xyphoid right costal margin linea alba semilunar line (line of douglas) ASIS inguinal (ligament) groove
