Anterior Abdominal Wall Flashcards
How do the midclavicular planes divide the abdomen?
they are vertical planes, extending down from the two clavicles.
How does the subcostal plane divide the abdomen?
It is a horizontal plane from the lowest point of the costal on each side.
how does the transtubercular plane divide the abdomen?
it is a horizontal line thru the the iliac tuberacles.
what are the nine regions of the abdomen?
right hypochondrium, epigastric, left hypochondrium, right flank (lateral), umbilical, left flank (lateral), right groin (inguinal), pubic, left groin (inguinal)
where does the liver lie?
mostly in the right hypochondrium and epigastric
what lies in the left hypochondrium?
the spleen, and the fundus & body of the stomach
how many quadrants are in the abdomen?
4
what are the 4 quadrants in the abdomen?
right upper, right lower, left upper, and left lower
what are the two layers of the fascia of the anterior abdominal wall?
superficial fascia and deep (investing) layer
what is continuous with the superficial fascia of the perineum and thigh?
the superficial fascia (camper’s fascia)
the deep layer (scarpa’s fascia) is what?
a membranous layer of fascia the is fastened to the fascia lata of the thigh.
what covers the anterior abdominal wall muscles on the the anterior and posterior surface?
the deep (investing) fascia
what is between the scarpa’s and deep fascia?
a potential space where fluid can accumulate
what causes a build of urine in the space between the scarpa’s and deep fascia?
the rupture of the spongy urethra
extravasation of urine can only go where?
it can only spread superior
extravasation of urine is almost exclusive to?
almost exclusive to males because the urethra is longer, more superficial, and more horizontal than in females
what cause extravastion of urine?
trauma
what are the muscles of the anterior abdominal wall?
linea alba, external obliques, internal obliques, transversus abdominis, rectus abdominis, pyramidalis, and then there are tendinous intersection