Anterolateral Andominal Wall Flashcards
Borders of the Abdomen
●Superior:
_______________
_______________
●Inferior:
___ bone and ____
●Umbilicus:
Level of _______
Costal cartilages 7-12.
Xiphoid process
Pubic
iliac crest:
IV disc L3-4
Xiphoid process:
Level of ____ cartilage = ___ vertebrae
10th
L3
iliac crest:
Level of ____ vertebrae .
L4
Lines of the Anterior Abdominal Wall
●Linea alba: Located along the \_\_\_. = connective tissue raphe. ●Linea semilunaris: Along each \_\_\_\_ border of \_\_\_\_\_\_ ●Linea transversa: \_\_\_\_\_ of \_\_\_
midline
lateral; rectus abdominis.
Tendinous bands; rectus abdominis.
Abdominal Regions ●Divided into 9 regions by two pairs of planes: Vertical Planes: Left and right lateral planes =\_\_\_\_\_\_\_ planes Horizontal Planes: \_\_\_\_\_\_ plane:
\_\_\_\_\_\_\_ plane:
midclavicular
Transpyloric
Intertubercular
Transpyloric plane:
Midway between ______ and _________ (between _____ and ______).
jugular notch and pubic symphysis
xiphoid and umbilicus
Intertubercular plane:
Through ______ of _______
tubercles
iliac crests.
Cutaneous Nerves of the abdomen
●Derived from ventral rami of _____ through ____
●Pass (Superiorly or inferiorly?) and (medially or laterally ?) in plane between ____ and _____ muscles.
●Motor innervation:
To abdominal muscles.
T7 through L1.
Inferiorly
Medially
transverse and internal oblique
Cutaneous innervation of the abdomens :
\_\_\_\_\_\_\_\_\_\_\_ branches. \_\_\_\_\_\_\_\_\_\_ branches
Lateral cutaneous
Anterior cutaneous
_______ cutaneous branches of cutaneous nerve of the abdomen Penetrate rectus sheath.
Anterior
Cutaneous Nerves of the abdomen
●Ventral rami of \_\_\_\_ through \_\_\_: = thoracoabdominal nerves. T7 to dermatome over \_\_\_\_\_\_\_. T10 at level of \_\_\_\_\_\_. ●\_\_\_\_\_ nerve ●Ventral ramus of \_\_\_\_\_: Gives rise to: \_\_\_\_\_\_\_\_ nerve. \_\_\_\_\_\_ nerve.
T7 through T11
xiphoid process
umbilicus
Subcostal
L1
iliohypogastric
ilioinguinal
Fascia of the abdomen
●Superficial superficial:
_____ fascia
Continuous with fascia over __________
_____ layer.
Deep Superficial:
_______ fascia
_______ layer.
Continues into ______
●Deep:
Thin layer covering abdominal muscles.
Camper’s
thorax and thigh.
Fatty
Scarpa’s
Membranous
perineum
Scarpar’s fascia Continues into perineum as: _____ fascia = _______ fascia.
Superficial perineal
Colle’s
Arterial Supply Above Umbilicus
List all 6
Posterior intercostal arteries 10-11. ●Subcostal artery. ●Lumbar arteries 1-4. ●Musculophrenic arteries. ●Superior epigastric arteries. ●Inferior epigastric arteries.
Arterial Supply Below Umbilicus
List all 3
●Superficial epigastric arteries.
●Superficial circumflex iliac arteries.
●Superficial external pudendal arteries.
Venous Drainage
●(Superficial or deep?) veins are paired with arteries.
●Above the umbilicus:
Drain into the _____ venous system.
●Below the umbilicus:
Drain into the _____ system (via _________ ).
Superficial
azygos
femoral
great saphenous
Lymphatic Drainage ●Above the umbilicus: Drain into the \_\_\_\_\_ and \_\_\_\_ nodes. ●Below the umbilicus: Drain into the \_\_\_\_\_\_\_\_\_\_ nodes.
axillary and sternal
superficial inguinal
Superior epigastric:
_____ branch of _____
Descends in rectus sheath (anterior or posterior?) to muscle.
Anastomoses with ______
Terminal; internal thoracic.
Posterior
inferior epigastric.
●Inferior epigastric: Arises from \_\_\_\_\_\_ artery. Enters rectus sheath at ———- Branches: \_\_\_\_\_\_\_ artery. \_\_\_ branch.
external iliac
arcuate line.
Cremasteric
Pubic
Deep circumflex iliac artery:
Branch of ________
●Superficial epigastric artery:
Arises from _________
●Superficial circumflex iliac artery:
Arises from _______
●Superficial external pudendal artery:
Arises from ________
external iliac.
femoral artery.
femoral artery.
femoral artery.
Anterior Abdominal Wall Veins
●External iliac vein:
Receives from _____ and _______ veins.
●Femoral vein:
Receives ____,_____,_____,_____:
Drains to _________ vein.
epigastric
deep circumflex iliac
superficial circumflex iliac vein,
Superficial epigastric vein,
Superficial external pudendal vein.
Superior epigastric vein
brachiocephalic
Muscle Layers of abdomen
●General Characteristics:
Three large flat sheets connecting ______ to ___
Muscular (anterior or posteriorly ?) and (Medially or laterally?)
Aponeurotic (anterior or posteriorly ?) and (Medially or laterally?)
rib cage to hip bone.
Posteriorly
laterally
anteriorly and medially.
Muscle Layers of abdomen
●Include: \_\_\_\_ \_\_\_\_\_\_ \_\_\_\_\_\_\_ \_\_\_\_\_
External oblique.
Internal oblique.
Transversus abdominus.
Rectus abdominus.
Linea Alba ●Median raphe ●Extends from \_\_\_\_\_\_ to \_\_\_\_\_\_\_ ●Lies between paired \_\_\_\_\_\_\_\_\_ muscles. ●= fusion of aponeuroses of \_\_\_\_\_,\_\_\_\_\_,\_\_\_\_\_
xiphoid to pubic symphysis.
rectus abdominus
transversus abdominus, internal oblique, and external oblique.