Introduction to abdomen Flashcards
Boundaries of the abdomen
Superior- Diaphragm
Inferior- Pelvic inlet
Anterolaterally- musculo-aponeurotic abdominal wall
Posterior- lumbar vertebrae
What. is the umbilicus a reference point for
Transumbilical plane
What dermatome does the umbilicus indicate
T10
What is the linea alba
It is the thin muscle band stretching down from xiphoid process down to the umbilicus (can be seen in slim and toned individuals)
What two things define a 6 pack
Rectus abdominis and tendinous intersections
What is the linea semilunaris
Muscle that runs along the lateral aspect of the rectus abdominis in the anterior abdominal wall
Where does the linea semilunaris extend to and from
Inferior costal margin (near cc9) to pubic tubercles
What does the inguinal groove separate
Antolateral abdominal wall and the thigh
What are the two planes in the abdomen
Median plane (Run directly down the middle of the abdomen)
Transumbilical plane- IV disc between L3 and L4 and runs horizontally across umbilicus
What are the 9 planes of the abdomen
Transtubercular plane
Subcostal plane
Midalcvicular plane
What is the transtubercular plane
Iliac tubercle and body of L5
What is the subcostal plane
Inferior border of 10th cc and body of L3
What are midclavicular planes
Half way along clavicle and mid inguinal point
What are the 9 regions of the abdomen
R&L hypochondriac region Epigastric R&L lateral regions Umbilical regions R&L inguinal regions Hypogastric region
What are the viscera associated with the R hypochondriac region
Pylorus of stomach, part of right lobe of liver, gall bladder, right kidney
What are the viscera associated with the epigastric region of the abdomen
Liver
Stomach
Duodenum
Pancreas
What are the viscera associated with the L hypochondriac
Stomach and left kidney