Anterolateral Abdominal Wall, Inguinal Region and Peritoneum Flashcards
What is the space bounded by the abdominal walls, diaphragm, and pelvis?
abdominal cavity
What does the abdominal cavity form the major part of?
abdominopelvic cavity
What is enclosed anterolaterally by dynamic musculo-aponeurotic abdominal walls?
abdominal cavity
What is separated superiorly from the thoracic cavity and posteriorly from the posterior thoracic vertebrae by the diaphragm?
abdominal cavity
What is under the thoracic cage superiorly extending to the 4th intercostal space?
abdominal cavity
What is continuous inferiorly with the pelvic cavity and is lined with peritoneum (a serous membrane)?
abdominal cavity
Where is the location of most of the digestive organs, spleen, kidneys, and ureters for most of their course?
abdominal cavity
What are the 4 quadrants of the abdomen?
- right upper quadrant
- right lower quadrant
- left upper quadrant
- left lower quadrant
What are the 9 abdominal regions?
- right hypochondriac
- epigastric
- left hypochondriac
- right lateral
- umbilical
- left lateral
- right inguinal
- pubic
- left inguinal
Where is the subcostal plane found in relation to the costal cartilages?
10th costal cartilage
What regions are found in the subcostal plane of the abdomen?
- epigastric (E)
- umbilical (U)
- pubic (P)
- hypochondriac (H)
- lumbar (L)
- inguinal (I)
Where can you find the transtubercular plane?
between the iliac tubercles and L5 vertebra
Where can you find the transumbilical plane?
around the umbilicus and IVD L3-L4
Where are these organs found?
- liver (right lobe)
- gallbladder
- stomach (pylorus)
- duodenum
- ascending colon (superior part)
- transverse colon (right half)
- pancreas (head)
- right suprarenal gland
- right colic flexure
- right kidney
right upper quandrant
Where are these organs found?
- liver (left lobe)
- spleen
- stomach
- jejunum and proximal ileum
- pancreas (body and tail)
- left kidney
- left suprarenal gland
- left colic flexure
- transverse colon (left half)
- descending colon (superior part)
left upper quadrant
Where are these organs found?
- cecum
- appendix
- most of the ileum
- ascending colon (inferior part)
- right ovary
- right uterine tube
- right ureter (abdominal part)
- right spermatic cord (abdominal part)
- uterus (if enlarged)
- urinary bladder (if very full)
right lower quadrant
Where are these organs found?
- sigmoid colon
- descending colon (inferior part)
- left ovary
- left uterine tube
- left ureter (abdominal part)
- left spermatic cord (abdominal part)
- uterus (if enlarged)
- urinary bladder (if very full)
left lower quadrant
Thoraco-abdominal nerves run from what levels?
T7-T11 + T12 (subcostal)
What vertebral level dermatome supplied the nipple?
T4
What vertebral level dermatome supplied the xiphoid process?
T7
What vertebral level dermatome supplied the umbilicus?
T10
What vertebral level dermatome supplied the groin/inguinal region?
L1
The dermatomes of major landmarks follows what rule?
the rule of “3”
What supplies sensory innervation to the skin on the anterior surface of the external genitalia and medial surface of the thigh after providing motor innervation to the anterolateral abdominal wall?
ilioinguinal nerve (L1)