anatomy module 2.2 Flashcards
innervation of the ant. abdominal wall arises from what nerve root?
T7-12, L1
L1 iliohypogastric and ilioinguinal
dermatomal innervation level of the umbilical area?
T10
layers of the ant abdominal wall
skin superficial facia - camper's or fatty layer - scarpa's or membranous layer deep fascia - external oblique aponeurosis - internal oblique transversus abdominis transversalis fascia extra peritoneAl fatty tissue peritoneum
dartos mm can be seen in what layer?
camper’s or fatty layer
external oblique - pouparts ligament/ inguinal lig
- ext. spermatic fascia
internal oblique- cremaster mm
transversalis fascia - int. spermatic fascia
extraperitoneal fatty tissue - areolar tissue
peritoneum - processus vaginalis
this structure extends backward and upwardto the pectineal line in the sup. ramus of the pubis?
lacunar ligament
commonly absent mm on the lower abdominal area?
pyramidalis
true or false : umbilicus is the common site of the infection
true.. lalo n pag kinalkal masyado haha
true or false: surgical incision on the paramedial area will cause paralysis on the lateralside of the incision site?
false : medial paralysis will be manifested d/t cut on the nerve proximally
true or false: linea alba intersect all transverse abdominis mm
false
all venous drainage of the lower extremity and abdominal will go through right atrium via what vein?
inf vena cava
orientation of the external oblique mm. ?
downward medially
true or false: external oblique mm interdigitate with your pectoralis major and serratus ant.
false
lats dorsi
serratus ant
(-) cremasteric reflex will give you what diagnosis?
a. upper motor neuron lesion
b. lower motor neuron lesion
c. both
d. none of the above
b
true or false: inguinal lymphnode will be the lymphatic drainage of both trunk and LE
false
above umbilicus will drain at axillary node
which mm on your ant abdominal wall will not participate on ant. trunk flexion?
transverse abdominis mm
true or false: rectus sheath MIGHT contain pyramidalis mm
True..
commonly absent mm anG pyramidalis
so minsan minsan lng
true or false: external oblique origenate from xiphoid process, linea alba, and ant half of iliac crest and inserted to lower eight ribs
false