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Large Animal Anatomy > Abdominal Wall (Exam 2) > Flashcards

Abdominal Wall (Exam 2) Flashcards

1
Q

Flank is also called what?

A

lateral abdominal region

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2
Q

What is clinically relevant about the paralumbar fossa

A

where most incisions start

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3
Q

Borders of the flank

A

last rib –> cranial border of thigh

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4
Q

Paralumbar fossa is more prominent in (dairy/beef) cattle.

A

dairy

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5
Q

Borders of paralumbar fossa (3)

A

transverse processes of lumbar vertebrae
last rib (T13)
ridge by internal abdominal oblique M

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6
Q

Fold of the flank is between what 2 structures?

A

abdominal wall + pelvic limb (stifle region)

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7
Q

Fold of the flank has a (dorsal/ventral/medial/lateral) border of what muscle?

A

ventral
cutaneous trunci M

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8
Q

2 lymph nodes prevalent to the abd wall

A

Lnn of paralumbar fossa
Subiliac Ln (prefemoral)

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9
Q

What do Lnn of Paralumbar Fossa collect lymph from?

A

superficial part of abd wall + skin
(but anything in region)

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10
Q

_____ is a huge Ln that is subcutaneous and sits on fascia of tensor fascia lata muscle.

A

subiliac (prefemoral)

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11
Q

Where does Subiliac Ln collect lymph from?

A

pelvis, pelvic limb, abd wall
utter!

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12
Q

An enlarged Subiliac Ln can indicate what disease?

A

mastitis

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13
Q

All muscles of the abdominal wall are innervated by ______ except what muscle?

A

ventral branches of multiple spinal Nn (thoracic/lumbar)
cutaneous trunci M

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14
Q

First layer of abdominal wall muscle

A

cutaneous trunci M

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15
Q

Cutaneous trunci M is (thin/thick) dorsally and (thin/thick) ventrally.

A

thin
thick

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16
Q

Attachment of Cutaneous Trunci M

A

superficial fascia

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17
Q

Fiber direction of Cutaneous trunci M

A

cranial/caudal (horziontal)

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18
Q

Innervation of Cutaneous trunci M

A

lateral thoracic N

19
Q

External Abdominal Oblique M is covered by _______.

A

tunica flava abdominis

20
Q

Which abd wall muscle contributes to some suspension of the utter?

A

external abdominal oblique M

21
Q

Attachments of External Abdominal Oblique M

A

last 8 ribs + linea alba

22
Q

Fiber direction of External Abdominal Oblique M

A

caudoventrally

23
Q

Fibers of External Abdominal Oblique M end at ______ and _____ structures and then turns into a _____.

A

tuber coxae
elbow
aponeurosis

24
Q

Attachment of Internal Abdominal Oblique M

A

wing of ilium (tuber coxae)
some tips of transverse processes of lumbar vertebrae

25
Q

Internal Abdominal Oblique M fiber direction

A

cranially & ventrally

26
Q

Internal, External Abdominal Oblique M, and Transversus Abdominis M continue as aponeurosis to what structure?

A

linea alba

27
Q

(Internal/External) Abdominal Oblique M is deep to the other.

28
Q

Deepest abdominal wall muscle

A

transversus abdominis M

29
Q

Innervation of Transversus Abdominis M

A

last thoracic + lumbar spinal Nn

30
Q

Origin of Transversus Abdominis M

A

aponeurosis from tip of transverse processes + tuber coxae

31
Q

Transversus Abdominis M is not further caudally that what structure?

A

tuber coxae

32
Q

Fiber direction of Transversus Abdominis M

A

straight dorsoventrally (vertical)

33
Q

What is also known as the “straight muscle”

A

Rectus Abdominis M

34
Q

Origin of Rectus Abdominis M

35
Q

Attachment of Rectus Abdominis M

36
Q

What connects the Rectus Abdominis M to the Ox Coxae?

A

prepubic tendon (very thick - occasional rupture during pregnancy)

37
Q

Layer of fascia that encloses Rectus Abdominis M

A

rectus seath

38
Q

Layer of fascia that encloses Rectus Abdominis M

A

rectus sheath

39
Q

Rectus Sheath is formed by ______ of the other 3 abd wall muscles.

A

aponeurosis

40
Q

2 parts of the Rectus Sheath

A

external lamina
internal lamina

41
Q

What part of the Rectus Sheath is always present and on the superficial surface?

A

external lamina

42
Q

What part of the Rectus Sheath is not present past the Tuber Coxae?

A

internal lamina

43
Q

External lamina = combined aponeurosis of ____ and ____ Mm.

A

internal + external abd oblique

44
Q

Internal lamina is formed by aponeurosis of what muscle?

A

transversus abdominis M

Large Animal Anatomy (41 decks)

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