Term
How many quadrants can be defined in the anterior abdominal wall? |
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Definition
Either 9 or 4 dependent on the planes |
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Term
What is McBurney's point? |
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Definition
Spot a third of the way down an imaginary line drawn between the Anterior Superior Illiac Spine and Umbillicus. Historically appendectomies were performed here |
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Term
What are the two layers of superficial fascia immediately deep to the skin? |
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Definition
Campers Fascia (yellow fat)
Scarpa's Fascia (membranous fascia) |
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Term
What are the layers of tissue below the skin in the anterior abdominal wall? |
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Definition
Superficial fascia Muscles Transversalis Fascia Extraperitoneal fat/fascia Peritoneum |
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Term
What is the first lateral muscle found in the anterior wall? |
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Definition
External Abdominal Oblique |
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Term
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Definition
The point where EAO aponeurosis from each side meet |
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Term
What is the linea semilunaris? |
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Definition
Line just lateral to the linea alba |
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Term
What is the deep inguinal ring? |
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Definition
continuation of the Transversalis fascia that has differing implications dependent on sex of the patient |
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Term
How does the aponeurosis of the anterior abdominal wall muscles course over the rectus abdominus above the umbillicus? |
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Definition
EAO goes anterior
IAO splits around
Transversus goes posterior |
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Term
How does the aponeurosis of the anterior abdominal wall muscles course over the rectus abdominus below the umbillicus? |
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Definition
EAO, IAO, and Transversus all go posterior
the only fascia anterior is the transversalis fascis |
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Term
What are tendinous intersections? |
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Definition
Tendons that run along and bisect the rectus abdominus |
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Term
What is the arcuate line? |
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Definition
line along the posterior layer of the rectus sheath where the aponeurosis goes from containing IAO, transversus, and transversalis fascia to containing only transversalis fascia |
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Term
What vasculature runs immediately posterior to the rectus abdominalis? |
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Definition
Inferior epigastric artery and vein |
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Term
What vasculature runs immediately anterior to the rectus abdominus muscle? |
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Definition
Superior epigastric artery and vein |
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Term
Inferior epigastric branches off of what vessel? |
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Definition
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Term
Superior epigastric branches off of what vessel? |
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Definition
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Term
Once the external illiac passes underneath the inguinal ligament, what does its name change too? |
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Definition
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Term
Caput Medusae is indicative of what? |
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Definition
Caput Medusae: swelling of veins in the abdomen
indicative of portal hypertension |
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Term
What venous vessel connects the axillary vein to the portal venous drainage system? |
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Definition
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Term
Lymph drainage above the umbillicus goes to which lymph nodes? |
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Definition
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Term
Lymph drainage below the umbillicus goes to which nodes? |
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Definition
Superficial inguinal nodes |
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Term
Thoracoabdominal ventral rami of spinal nerves give out which branches? |
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Definition
Lateral and anterior branches |
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Term
Dorsal rami of thoracic nerves T7-T12 travel between which two anterior abdominal wall muscles? |
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Definition
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Term
The lateral branches of dorsal rami T1-T7 pierce which anterior abdominal muscles? |
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Definition
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Term
The anterior branch of dorsal rami T7-T12 pierce which anterior abdominal wall muscles? |
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Definition
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Term
Dorsal rami nerve fibers of L1 form what two branches? |
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Definition
Ilioinguinal and Iliohypogastric |
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Term
Pinpoint pain of the belly is indicative of damage where? |
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Definition
The anterior abdominal wall |
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Term
Diffuse abdominal pain is indicative of what? |
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Definition
Referred pain from visceral damage |
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Term
What is a good way to detect malingering in a patient complaining of abdominal pain? |
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Definition
Check abdomen for guarding |
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