Obs and Gynae Surgical Incisions Anatomy Flashcards
what is the name of a vertical midline incision?
laparotomy
what location is the incision for a lower segment caesarean section made?
suprapubic
label
what is the linea alba?
midline blending of aponeuroses
what direction do external oblique fibres run in?
DOWN (hands in pockets)
what direction do internal oblique fibres run?
UP
order of muscles, internal to externally?
transversus abdominis
internal oblique
external oblique
what divides up the rectus abdominis?
tendinous intersections
what is the rectus abdominis divided up into?
3/4 smaller muscles
where does the linea alba run from?
xyphoid process to pubic symphysis
where is the rectus sheath?
immediately deep to superficial fascia
what surrounds rectus abdominis?
rectus sheath
label
where does the nerve supply to anterolateral abdo wall travel?
between internal oblique and transversus abdominis
what is the name given to 7-11th intercostal nerves?
thoracoabdominal nerves
what is the name given to T12?
subcostal nerve
what is the name given to the two branches of L1? where do they lie in relation to eachother?
iliohypogastric (superior)
ilioinguinal (inferior)
blood supply of lateral abdominal wall? where do these arteries come from?
intercostal and subcostal arteries
from posterior intercostal arteries
blood supply to anterior abdo wall? where do these arteries come from?
superior epigastric (from internal thoracic)
inferior epigastric (from external iliac)
where do the arteries that supply the anterior abdo wall lie in relation to the rectus abdominis?
posterior
where should incisions in muscle be made?
in the same direction as muscle fibre
in a LSCS, what happens to the rectus muscles?
separated laterally, NOT CUT
what layers are stitched closed after a LSCS?
uterine wall
rectus sheath
fascial layer (if high BMI)
skin
layers opened when doing a laparotomy?
skin
fascia
linea alba
peritoneum
