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Inguinal Canal
Medical School Gross Anatomy
32
Anatomy
Graduate
10/19/2011

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Cards

Term
What is the Gubernaculum?
Definition
projection of tissue from the gonads down to the scrotum (or labia majora) facilitates descent of the gonads
Term
What is the Processus Vaginalis?
Definition
Projection of peritoneum that comes from the anterior abdominal wall, the testes will eventually descend and go underneath the processus vaginalis
Term
In males what does the Gubernaculum become?
Definition
Spermaticord
Term
In females what does the Gubernacular become?
Definition
Before the ovary it is the ovarian ligament, after is is the round ligament of the uterus
Term
What forms the inguinal ligament?
Definition
External abdominal oblique aponeurosis
Term
The external spermatic fascia is derived from what?
Definition
External abdominal oblique aponeurosis
Term
What muscle runs with the spermatocord?
Definition
Cremaster muscle
Term
What enervated the cremaster nerve?
Definition
Genitofemoral nerve
Term
What muscle does the cremaster muscle come from?
Definition
Internal Abdominal Oblique
Term
What is the function of the conjoined tendon?
Definition
contracts down across the inguinal canal to prevent things from getting through it
Term
Transversalis fascia gives what to the spermatocord?
Definition
Internal Spermatic Fascia
Term
What is the significance of the pectineal (Coopers) ligament?
Definition
Surgically it is a good place to sow
Term
What attaches Coopers ligament to the inguinal ligament?
Definition
Lacunar ligament
Term
What layer of superficial fascia makes it to the scrotum?
Definition
Scarpa's. Forms the Dartos muscle and Fascia
Term
What is the function of the Dartos muscle?
Definition
elevates and drops the testes dependent on temperature changes
Term
What are the two layers of the Tunica Vaginalis?
Definition
Parietal and Visceral
Term
Where do spermatogonia develop?
Definition
Semineferous tubules
Term
Where do fully developed sperm cells reside?
Definition
Epididymus
Term
What vessel travels along the spermatocord that semen travel?
Definition
Vas Deferens
Term
What is the function of the Pampiniform plexus of veins?
Definition
Besides venous drainage it also cools down the blood of the testicular artery
Term
Between which folds does the Supravesicular Fossa sit?
Definition
Between the Median and medial umbilical fold
Term
Between which folds does the medial inguinal fossa sit?
Definition
Between the medial umbilical fold and the lateral umbilical fold
Term
Where is the lateral inguinal fossa?
Definition
Just lateral of the lateral umbilical fold
Term
What is the most common type of hernia in males?
Definition
indirect inguinal hernia. Enters deep to inguinal ring and lateral to the inferior epigastric artery
Term
What is a direct inguinal hernia?
Definition
Hernia through posterior wall of the inguinal canal. Enters medial to the inferior epigastric artery
Term
What is the Hesselbach triangle?
Definition
also known as the inguinal triangle. It is a location for a direct inguinal hernia
Term
Upon palpation, how can you differentiate a direct from an indirect inguinal hernia?
Definition
First you palpate up to the superficial ring and ask the patient to cough. Upon coughing if you feel the hernia lateral it will be indirect, if you feel it coming directly down on your finger it is a direct inguinal hernia
Term
What is the most common hernia in females?
Definition
Femoral Hernia
Term
How do you differentiate a femoral hernia from an inguinal hernia?
Definition
above the inguinal ligament = femoral hernia. Below inguinal ligament = inguinal hernia
Term
A hernia through the widest part of the linea alba is what kind of hernia?
Definition
Epigastric
Term
What is a divarication of the Recti Abdominis?
Definition
Hernia between medial margins of recti. A particularly vulnerable population is old women
Term
What is a sports hernia?
Definition
tear in the conjoined tendon due to inability to oppose the effect of the thigh adductor muscles on the pubis
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