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EXAM 3
Lecture 4: Abdominal Wall
50
Anatomy
Graduate
10/06/2013

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Term
Layers of the abdominal wall from superficial to deep
Definition
Skin
Camper's fascia
Scarper's fascia
External oblique m. and its aponeurosis
Internal oblique m. and its aponeurosis
Transversus Abdominus m. ands its apon.
Fascia transversalis
Parietal pertionium
Term
M. of anteroabdominal wall are supplied by
1)
2)
3)
Definition
1) Ventral Rami of T7-11
2) Subcostal (T12)
3) L1 spinal nerves
Term
Thickened lower border of the aponeurosis of the external oblique. It extends from ASIS to the pubic tubercle
Definition
Ingiunal Ligament
Term
Inguinal Ligament is created by the
Definition
aponeurosis of external oblique
Term
Ingiunal ligament goes from ____ to ____
Definition
ASIS to pubic tubercle
Term
the fused inguinal fibers of internal oblique and the transversus abdominus which insert into pubis
Definition
Falx ingiunalis or conjoint tendon
Term
______ is the envelope of the rectus abdominus m.
Definition
restus sheath
Term
rectus sheath's anterior layer above the arcuate line is formed by
Definition
External oblique m.
Anterior lamella of internal oblique m..
Term
rectus sheaths anterior layer below the arcuate line
Definition
aponeurosis of all 3 flat abdominal m.
Term
rectus sheaths posterior layer above the arcuate line
Definition
Posterior lamella of internal oblique m.
transversus abdominus aponeurosis
Term
rectus sheaths posterior layer below the arcuate line
Definition
deficient- posterior surface of rectus abdominus lies on fascia transversalis
Term
the inferior end of the posterior wall of the rectus sheath is called the
Definition
arcuate line
Term
What two arteries anastomose within the rectus sheath
Definition
superior epigastic a. (off internal thoracic a.)
inferior epigastric a. (off external iliac a.)
Term
What a. suppies the upper part of the rectus abdominus m.
Definition
Superior epigastric a. (off the interal thoracic a.)
Term
what a. supplies the lower part of the rectus abdominus m.
Definition
Inferior epigastric a. (off the external iliac a.)
Term
The neurovascular plane of the abdomen is between ____ and _____
Definition
internal oblique m. and transversus abdominus m.
Term
Ingiunal canal boundaries:
Anterior
Definition
aponeurosis of external oblique
Term
Ingiunal canal boundaries:
Posteior
Definition
fascia transveralis
Term
Ingiunal canal boundaries:
Roof:
Definition
arched fibers of internal oblique m. and transversus abdominus m.
Term
Ingiunal canal extends from ____ to ____
Definition
deep ring to superficial ring
Term
3 things that inguinal canal passes
Definition
1) spermatic cord (males)
2) round ligament of uterus (female)
3) illioingiunal n. (male and female)
Term
Ring that is formed from a gap in the fascia transversalis
Definition
Deep Ring
Term
Ring that is from a gap in the external oblique aponeurosis
Definition
Superficial Ring
Term
Ingiunial (hesselbach's triangle) boundaries
Inferior:
lateral:
Anterior:
Posterior:
Definition
Inferior: inferior epigastic a.
Lateral: border of rectus abdominus
Anterior: inguinal ligament
Posterior: illiopubic tract
Term
zone of weakness through which dirct inguinal hernia pierces wall and enters inguinal canal
Definition
Inguinal (Hesselbach's triangle)
Term
What hernia is mostly acquired?
Definition
Direct hernia
Term
A complete hernia would ____
Definition
Exit the canal through the superficial ring
Term
This hernia pushes through the wall of the inguinal canal. the neck of the hernia sac is medial to the inferior epigastric a.
Definition
Direct
Term
In a direct hernia, the neck of the hernia sac is _____ to inferior epigastic a.
Definition
Medial
Term
In an indirect hernia, the neck of the hernia sac is _____ to inferior epigastic a.
Definition
Lateral
Term
This type of hernia the neck of the hernia sac is lateral to the inferior epigastric a. and it enters through the depp ring
Definition
Indirect
Mostly congenital
Term
Contents of the spermatic cord
(5)
Definition
Duct deferens
testicular a.
artery to the ductus
pampiniform plexus of testicular veins
genital branch of genitofemoral n.
Term
Scrotum is innervated by ___ through ____ segments
Definition
L1 through S4 segments
Term
Lymphatics from the scrotum drain into
Definition
superficial inguinal lymphnodes
Term
Complete scrotal anesthesia is completed by anesthetizing both the ____ and ____ segments of the spinal cord
Definition
Lumbar and sacral
Term
Right testicular veins drain into ____
Definition
IVC
Term
Left testicular veins drain into ____
Definition
left renal vein
Term
Pain from testes is referred to _____
Definition
T10-umbilical region
Term
Testicular lymphatics drain into
Definition
lateral aortic (lumbar) lymph nodes
Term
Testicular arteries are given off by the
Definition
abdominal aorta
Term
Dartos m. is derived from ____
Definition
fascia of Scarpa
Term
External spermatic fascia is derived form
Definition
external oblique m.
Term
cremasteric m. and fasica is derived from
Definition
internal oblique m.
Term
internal spermatic fasica is derived from
Definition
fascia transversalis
Term
what serve as landmarks to direct from indirect hernias?
Definition
inferior epigastric vessels
medial=direct
lateral-indirect
Term
Median umbilical fold contains
Definition
urachus
Term
Medial umbilical fold contains
Definition
obliterated umbilical a.
Term
Lateral umbilical fold contains
Definition
inferior epigastric vessels
Term
Efferent fibers for the cremasteric reflex are carried by
Definition
genital branch of the genitofemoral n.
Term
Afferent (sensory) fibers for the cremasteric reflex are carried by
Definition
illioinguianal n.
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