Inguinal and Femoral Canal Flashcards

Gardener

1
Q

What type of veins drain the testes

A

Dilated Piriform Veins

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2
Q

What is a varicocele

A

enlargement of the veins that transport oxygen-depleted blood away from the testicle.

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3
Q

What are the landmarks of the pelvis

A

Sacroiliac joints
ASIS
Anterior sacroiliac ligament
Petineal line
Pubic Tubercle
Pubic symphysis
Pubic crest

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4
Q

What is the base of the superficial inguinal ring

A

Pubic crest

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5
Q

What is the origin and insertion of the External Oblique Muscles

A

Origin: External Surface of ribs 5-12
Insertion: Anterior 2/3 of the iliac crest
Pubic Tubercle
Linea Alba

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6
Q

The external oblique muscles become aponeurotic at the mid-clavicular line. True of False?

A

True

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7
Q

What forms the Inguinal Ligament of Poupart?

A

The lower margin of the external oblique muscle between ASIS and Pubic tubercle rolls inward and forms a gutter

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8
Q

What is the Lacunar Ligament

A

Otherwise known as Gimbernat’s ligament is one that is formed from the fibers of the external oblique which expand posteriorly and laterally to attach to the Pectineal Line

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9
Q

Which ligament forms the medial border of the Femoral Ring

A

Lacunar Ligament

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10
Q

What is the superficial inguinal ring

A

It is a defect in the aponeurosis of the external oblique muscle

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11
Q

What is the origin and insertion of the Internal Oblique Muscles?

A

origin: Thoracolumbar fascia(posteriorly),
Anterior 2/3 iliac crest
Lateral 2/3 of inguinal ligament

Insertion: Lower 6 ribs
Linea Alba
its lower arching fibers (Conjoint tendon) to the Pubic crest & Pectineal line

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12
Q

The internal Oblique muscle becomes aponeurotic at the region of the mid-clavicular lin. True or False?

A

True

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13
Q

Transversus Abdominis origin and insertion:

A

Origin: Thoracolumbar fascia
Iliac crest
Lateral 1/3 of inguinal ligament
Internal surfaces of 7th- 12th costal cartilages

Insertion: Linea alba
Lowermost arching fibers similarly as conjoint tendon to pubic crest and pectineal line

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14
Q

Another name for the conjoint tendon?

A

Inguinal Falx

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15
Q

List the layers of the abdominal wall from most superficial to least

A

Skin
Camper’s Fascia
Scarpa’s Fascia
External Oblique
Internal Oblique
Transversus Abdominis
Transversalis Fascia
Preperitoneal fat
Parietal Peritoneum

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16
Q

Where does indirect hernias emerge from

A

Deep Inguinal Ring

17
Q

Where does direct hernia arise from

A

Hesselbach’s Triangle

18
Q

The deep inguinal ring can be found 1.25cm superior to the mid-point of the inguinal ligament. True or False

A

True

19
Q

What is the inguinal canal

A

Oblique intermuscular slit/passage through inferior part of the anterolateral abdominal wall.

20
Q

How long is the Inguinal Canal

A

3-5cm long

21
Q

What are the main occupants of the inguinal canal

A

Spermatic cord: males
Round Ligament of uterus: Females

22
Q

Where does the superficial inguinal ring open

A

Fibers of the external aponeurosis

23
Q

Where does the deep inguinal ring open

A

Oval opening of the Transversalis Fascia

24
Q

What forms the anterior wall of the Inguinal Canal

A

External Oblique Aponeurosis
laterally the oblique muscle contributes

25
Q

What forms the posterior wall of the Inguinal Canal

A

Transversalis Fascia
medial part reinforced by conjoint tendon

26
Q

Which tract runs parallel and posterior to the inguinal ligament and is as a result of the thickening of the Transversalis Fascia

A

Iliopubic Tract

27
Q

What is the roof of the Inguinal canal formed from

A

Formed by the arching of the Internal oblique muscle and transversus abdominis

28
Q

This ligament forms the floor of the inguinal canal and is medially reinforced by the lacunar ligament

A

Inguinal Ligament

29
Q

What is a hernia

A

Protrusion of an internal organ through a defect in the wall of a body cavity

30
Q

Inguinal canal is a site of potential weakness of the abdominal wall. True or False

A

True

31
Q

What is the Flap valve mechanism

A

When intraabdominal pressure is raised the anterior and post walls verge like a flap closing the canal

32
Q

Outer Shutter Mechanism

A

When the roof of the inguinal canal which is formed by the arching internal oblique muscle and transversus abdominis muscles contract the arch is flattened and this closes the canal

33
Q

Inner shutter Mechanism

A

The Transversus abdominis in contracting causes the Interfoveolar ligament to close around the Deep ring

34
Q

Name the 3 covering s of the spermatic cord and their origins

A

Internal spermatic fascia- Transversalis fascia
Cremasteric Fascia- from fascia of the superficial and deep surfaces of the internal oblique muscle
External Spermatic Fascia- External Oblique Aponeurosis

35
Q

The Transversus Abdominis does not give any contribution to the spermatic cord coverings. True or False?

A

True

36
Q

Cremasteric Reflex?

A

A superficial reflex found in males that is elicited when the medial thigh is stroked