Abdominal Wall Flashcards Preview

RUSVM Gross Anatomy I Summer 2016 > Abdominal Wall > Flashcards

Flashcards in Abdominal Wall Deck (15)
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1
Q

The aponeurosis of three muscles make up the rectus sheath, what are these?

A

External and Internal Oblique and transverse abdominal muscles

2
Q

What is located between the external and internal abdominal oblique muscles and extends between a deep and superficial ring? What are the rings called?

A

The inguinal canal; the deep and superficial inguinal rings

3
Q

What passes through the inguinal canal and through the superficial inguinal ring?

A

Genitofemoral n. Vaginal process external pudendal a. cremaster m. Spermatic cord

4
Q

What are the borders of the paralumbar fossa in cattle?

A

Base: lumbar transverse processes Cranioventral:last rib Caudoventral: ridge formed by internal abdominal oblique m.

5
Q

Which muscle in the abdominal wall has fibers that extend in a caudoventral orientation?

A

External abdominal oblique m.

6
Q

The aponeurosis of the external abdominal oblique m. has a pelvic and abdominal tendon on the caudal border. The caudal border of the pelvic tendon contains the _________ ligament.

A

inguinal ligament

7
Q

In which direction to the muscle fibers of the internal abdominal oblique m. travel?

A

Cranioventrally

8
Q

Which abdominal muscle is the deepest and has muscle fibers that extent in a transverse fashion from points of insertion?

A

Transversus abdominus

9
Q

Which muscle flexes the vertebral column and extends from the prepubic tendon to the sternum?

A

Rectus abdominis m.

10
Q

In the most cranial part of abdomen, what muscle aponeurosis creates the walls of the rectus sheath?

A

Internal abdominal oblique

11
Q

Which region of the abdomen contains three layers of aponeurosis lying superficially to the rectus abdominis m.?

A

The pubic region

12
Q

Which side of the paralumbar fossa is used to access the cecum in a horse?

A

Right

13
Q

The left side of the paralumbar fossa in the ox is used to access what organ?

A

Rumen

14
Q

What tunic is present in the equine and ox, but not in the canine or feline?

A

Tunica flava abdominis

15
Q

In the equine, what is the purpose of the prepubic tendon? Which structure also helps with this purpose?

A

It supports the weight of the abdominal viscera; the tunica flava abdominis