1st Lecture, 2nd Half

Question	Answer
What is the origin/insertion of the rectus abdominis?	Origin: Xiphoid & 5-7th Costal CartsInsertion: Pubic Symphasis and Crest
What is the orgin/insertion of the external oblique?	Origin: External surfaces of 5-12th ribsInsertion: Linea alba, pubic tubercle, anterior half of iliac crest
What is the orgin/insertion of the internal oblique?	Insertion: Thoracolumbar fascia, anterior 2/3 of iliac crest, lateral 1/3 of inguinal ligament INSERTION: Inferior border of 10th-12th rib, linea alba, and pacten pubis via conjoined tendon
What is the orgin/insertion of the transversus abdominus?	Internal surfaces of 7th-12th costal carts, thoracolumbar fascia, iliac crest, lateral 1/3 of inguinal ligament INSERTAION: Linea alba, pecten pubis via conjoined tendon
What and where is the arcuate line?	The end of the posterior rectus sheath, 1/3 of the way below the umbilicus
Where will lymph above the umbilicus drain?	Axillary node
Where will lymph below the umbilicus drain?	Inquingal node
What is the cutaneous innervation of the Iliohypogastric?	L1
What is the cutaneous innervation of the Ilioinguinal?	L1
What is the level of the Xiphoid?	T5-6
What is the level of the Umbilicus?	T-10
What is the level of the pubis?	L1
What are the names and levels of the three structures that pass thru the diaphragm?	IVC, T8; Esophagus, T10; Aorta; T12
What passes thru the diaphragm with the esophagus?	The vagus nerve
What results from the failure of the diaphragm to fuse during fetal development?	Congenital Diaphragmatic Hernia
A protrusion thru which layer results in a hernia?	Transversalis fascia
What may convert an area of weakness into a hernia?	Intraabdominal pressure
What is contained in the inguinal canal?	Spermatic cord/round ligament of uterus and ilioinguinal nerve
What is the floor of the inguinal canal?	Top of inguinal ligament
What is the ceiling of the inguinal canal?	Aponeurosis of internal oblique and transverse abdominal muscles
What is the anterior border of the inguinal canal?	External oblique
What is the posterior border of the inguinal canal?	Transversalis fascia
What is an indirect hernia?	One that protrudes thr the processus vaginalis instead of the transversalis fascia
Describe Hesselbach's Triangle	bordered by the lateral edge of rectus muscle; a hernia located medial is direct, lateral to it is indirect
Which type of hernia is more common?	Indirect
Which type of hernia is congenital?	Indirect

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