GI 1) Anterior ab wall Flashcards
List organs of GI tract
Mouth
Pharynx
Stomach
Small intestine
Large intestine
Rectum
Anus
wall of the abdomen is composed of
skin
aponeuroses
subcutaneous tissue
muscles
(SAMS)
What are the 4 types of paired muscles found in the abdominal wall
Transverse abdominis
Internal Obliques
External obliques
Rectus abdiminis
TIRE
What is the function of the abdominal wall
Protection
Increase intra abdominal pressue
Maintain posture and maintain trunk
The internal aspect of the abdominal wall is lined with a serous membrane called the ______ _______
parietal peritoneum
List the bony landmarks of the abdomen
Xiphoid process
Pubic tubercles
ASIS
Illiac crests
Pubic symphysis
Costal margin
pneumonic-(Xrays, cause, pain and puberty illegally)
List the 4 quadrants
Right upper
Right lower
Left upper
Left lower
What is the line called that separate upper and lower quadrants
Umbilical line
List the top 3 regions from Left to right of the 9 regions
L hyperchondriac
Epigastrium
R hyperchondriac
List the 3 middle region from L to R of the 9 regions
L lumbar/flank
Umbilical
R lumbar/flank
List the 3 lower regions from L to R of the 9 regions
L illiac fossa
Suprapubic
R iliac fossa
Describe Mc Burney’s point
Surface markin at base of appenxic
2/3 along from line drawn from umbilicus to the right anterior superior iliac spine
What are the 2 verticle lines that make the 9 regions of the abdomen
midclavicular lines
What are the 2 horizontal lines that make up the 9 regions of the abdomen
Subcostal
Inter/transterbicular
The subcostal line that horizontally separates the 9 regions runs through which costal cartliage
10
The inter/transtericular line that horizontally sepatates the 9 regions runs through the terbicles of the right and left _____ ____ and lumbar ____ body
Illian crests
L5 body
Describe the transpyloric plane
A horizontal line passing through tips of L+R 9th costal cartilages
halfway between the jugular notch and the pubic symphysis, approximately the level of the L1 vertebrae.
Describe the transumbilical line and if it is reliable or not
Unreliable due to fat %
Approx L3 level
Describe the intercristal line
from highest points of L to R iliac crests
External obliques have _____ oriented fibres
Diagonal
Internal obliques have ______ oriented fibres
Diagonal
Rectus abdomens have _____ oriented fibres
straight
Transverse abdominu have ____ oriented fibres
Horizontal
Rectus abdominis is attached to the _____ and _____ _____ superiorly and to the _____ inferiorly
sternum
costal margin
Pubis
Rectus abdominus is surrounded by
aponeurotic rectus shieth
which muscle lies both sides of the midline
Rectus abdominus
Lateral to the rectus abdominus lies 3 sheets of muscles
List them from most superficial to deep
EO
IO
TA
Which muscles run inferiorly and medially to the midline (diagonally)
IO
EO
Which muscles run horizontally
TA
T/F
Posteriorly the muscle become aponeurotic
F
Anteriorly
Anteriorly the muscles become ______
aponeurotic
The aponeurosis of the muscles form the
_____ _____ and the _____ ____
Linea alba
Rectus sheath
which muscle lie on both sides of linea alba
rectus abdominus
what muscle lies within the rectus sheath
Rectus abdominus
What lies deep to the transverse abdominus
transversalis fascia
what lies deep to the transversalis fascia
parietal peritoneum
The anterior abdominal wall is supplied with which vessels
musculophrenic
superior epigastric
Inferior epigastrium
the musculophrenic artery is a branch of
Internal thotacia
The inferior epigastric artery anastomoses with ______ artery
superior epigastric
The inferior epigastric is a branch of which artery
external illiac
the superior epigastric artery is a continuation of _____ _____ artery
internal thoaracic
The subcostal nerve originated from
T12
Thoraco-abdominal nerves originate fomr
T7-11
Thoraco-abdominal nerves are ____ and contain ____ and _____ fibres
Somatic
Sensory
Motor
Iliohypogastric and ilioinguinal are branches of which nerved
T1
Which organs lie deep to the RUQ
liver
gallbladder
duodenum
Right kidney
Ascending colon
Transverse colon
Hepatic flexure
small intestine
What organs lie deep to the RLQ
Right reproductive organs
Appendix
caecum
Ascending colon
R ureters
What organs lie deep to the LUQ
Liver
stomach
jejunum
spleen
Left kidney
transverse colon
descending colon
splenic flexure
small intestine
What organs lie deep to the LLQ
left reproductive organs
left ureters
small intestine
large intestine
sigmoid colon
decengin colon
what organs lie deep to the epigastric region
stomach
liver pancreas
transverse colon
spleen
duodenum
adrenal glands
what organs lie deep to the umbilical region
duodenum
Transverse colon
small intestine
What organs lie deep to the suprapubic region
small intestine
sigmoid colon
rectum bladder
reproductive organs
What organs lie deep to Left hypochondriac region
spleen
tip of liver
pancreas
transverse colon
descending colon
L kidney
stomach
small intestine
larger intestint
what organs lie deep to the right hypochondriac region
transverse colon
ascending colon
liver
gallbladder
small intestine
large intestine
what organs lie deep to the left lumbar regions
descending colon
small intestine
Left kidney
what organs lie deep to the right lumbar regions
ascending colon
small intestine
right kidney
what organs lie deep to left iliac fossa
sigmoid colon
descending colon
left ovary
left uterine tube
small intestine
what organs lie deep to right iliac fossa
Right ovary
right uterine tube
ascending colon
small intestine
caecum
appendix
