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20 Cards in this Set
- Front
- Back
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superior rectal artery is from ...
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inferior mesenteric artery
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middle and inferior rectal artery from ...
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internal iliac a.
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... - layers of mucous membrane covering superior rectal veins
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Anal columns
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... are recesses between columns
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anal sinusus
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... are varicosities of these veins
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hemorrhoids
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which sphincter is autonomic?
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internal sphincter
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which sphincter is somatic (pudendal n.)?
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external sphincter
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the anorectal ring is made up of what 3 things?
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puborectalis
deep external sphincter internal sphincter |
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Hemorrhoids:
internal hemorrhoids are ... the pectinate line, and external hemorrhoids are ... the pectinate line the most common positions of hemorrhoids are ... |
above
below 3 o'clock, 7 o'clock, 11 o'clock |
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The ... is the fat filled region between the anal canal and obturator internus. Contains the ...
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ischiorectal fossa
pudendal canal |
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Above the pectinate line:
-sensitive to ... -... epithelium -endoderm -... artery -... vein (eventually goes to portal system) -... lymph nodes |
stretch
columnar superior rectal superior rectal pararectal |
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Below the pectinate line:
-sensitive to ... -... epithelium -ectoderm -... artery -... vein (goes to IVC) -... lymph nodes |
pain, touch, and temperature
stratified squamous inferior rectal inferior rectal superficial inguinal |
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Venous drainage in normal rectum:
Above pectinate line: -superior rectal --> ... --> ... Below pectinate line: -inferior rectal --> ... --> ... --> ... |
inferior mesenteric
portal vein internal pudendal internal iliac IVC |
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if we have a liver pathology and portal hypertension (increased blood pressure), blood can't go through the liver so it ......, and goes to the ...
veins become dilated |
jumps the pectinate line
IVC |
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... can be a sign of liver pathology
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hemorrhoids
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... system = 2 capillary beds in line
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portal
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Superficial Inguinal Nodes drain:
-Superficial lower limb: Except 3/4 inch strip of skin on back of leg and 5th and 4th toes. -Perineum except ... -Anal canal below pectinate line -Superficial gluteal region -Superficial abdominal wall below the umbilicus -Fundus of uterus (round ligament) swollen superficial inguinal nodes could be indicative of problems in any of the above areas superficial inguinal nodes eventually drain into the deep inguinal nodes in the ... |
gonads (testes or ovaries)
femoral canal |
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The internal anal sphincter is innervated by ...
The external anal sphincter is innervated by ... |
pelvic splanchnic nerves
pudendal nerve |
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Spinal Cord Damage:
-Lose the Pudendal Nerve -Patient is like a functional ... -Pelvic Spl. N.s still working. When Cortical input is lost the patient has the bladder control of an infant. |
infant
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Damage the nerves coming out of ... and patient cannot void.
Can’t relax sphincter When nerves are damaged the patient cannot relax the bladder and voiding is a problem. |
sacrum
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