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Normal Animal > Anatomy 4 > Flashcards

Anatomy 4 Flashcards

1
Q

muscle on the neck (nuchal area to angle of mouth) in dogs and pigs (name + 2 parts)

A

Platysma

cutaneus colli
cutaneus faciei

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2
Q

muscle over the frontal bone in man, ruminants and pigs

A

frontalis

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3
Q

2 muscles on the horse neck and face name and why it is clinically significant

A

Cutaneus faciei

Cutaneus colli - intravenous injection and withdrawl

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4
Q

Which muscle has clinical significance of panniculus relex in small animals

A

cutaneus trunci

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5
Q

the ____. ______ is a continuation of cutaneus truci

A

cutaneus omobrachialis

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6
Q

What muscle is responsible for dogs shaking water off of them

A

superficial fascia

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7
Q

what muscle is an example of deep fascia

A

thoracolumbar fascia

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8
Q

the synsarcosis appears in which animals

A

primates, and climbing animals that have a clavicle

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9
Q

innervation of the brachiocephalicus

A

accessory nerve (CN X) and cervical spinal nn.

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10
Q

2 parts of the brachiocephalicus

A

cliedocephalicus and cliedobrachialis

-cliedocephalicus not divided in the horse

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11
Q

action and general attachment of the omotransversarius muscle

A

wing of the atlas and acromion - flex neck or advance limb

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12
Q

Innervation of omotransversarius

A

accessory nerve (CN X) and cervical spinal nn.
(same as brachiocephalicus)

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13
Q

Where is the omotransversarius attached on the horse

A

wing of atlas and fused to the cleidocephalicus (no acromion on horses)

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14
Q

innervation of the trapezius

A

accessory nerve (CN X)

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15
Q

attachment of the trapezius

A

dorsal midline and spine of the scapula

elevates and adducts the limb

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16
Q

Innervation of rhomboideus

A

brachial plexus nerves

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17
Q

attachments of the rhomboideus

A

under traps, dorsal midline of the neck and medial dorsal border of the scapula

(capital part only in cats and dogs)

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18
Q

innervation of latissimus dorsi

A

thoracodorsal nerve

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19
Q

action and attachment of latissimus dorsi

A

broad, from thoracolumbar fascia to major tuberosity on the humerus

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20
Q

innervation of serratus ventralis

A

ventral cervical spinal nerves to the cervical part

long thoracic nerve to the thoracic part

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21
Q

species variations in the serratus ventralis

A

none

22
Q

attachments of serratus ventralis

A

fan-shaped

transverse processes of cervical vertebrae to the serrated face of the scapula

23
Q

species variation in the latissimus dorsi

A

none

24
Q

innervation of the superficial pectoral

A

brachial plexus (cranial pectoral nerves)

25
Q

attachment of the superficial pectoral

A

sternum to humerus

2 parts (cranial and caudal)

26
Q

What muscle is very pronounced and a site of intramuscular injection in horses

A

descending pectoral
(into the middle pectoral groove- looks like boobs lol)

27
Q

which 2 muscles act as a sling to support the trunk between the forelimbs

A

deep pectoral and serratus ventralis

28
Q

What cranial deep pectoral muscle is present only in horses and goats (very small in ox)

A

Subclavius

29
Q

what muscles are dorsal to the transverse process of the spine

A

epaxial

30
Q

muscles that are ventral to the transverse process of the spine

A

hypaxial

31
Q

7 hypaxial muscles

A
  1. Longus colli
  2. Longus capitits
  3. Psoas minor
  4. Psoas major
  5. Quadratus lumborum
  6. Iliacus
  7. iliopsoas

(deepest layer of muscles ventral to vertebra - the flexors)

32
Q

innervation of the longus colli

A

ventral branches of cervical spinal nerves

33
Q

why is the longus colli a surgical landmark

A

makes for a bloodless access point to the intervertebral space

incision site to the IVD

34
Q

What muscle is this? that forms bilateral columns and is lateral to the longus colli

A

Longus capitis

35
Q

innervation of the lumbar hypaxial muscles

A

ventral branches of T, L, S spinal nerves

36
Q

What are the 3 muscle systems of epaxial muscles

A

transversospinalis
longissimus
iliocostalis

37
Q

Innervation of epaxial muscles

A

dorsal branches of C,T,L, S spinal nerves

38
Q

clinical significance of epaxial muscles

A

site of intramuscular injections in dogs since muscle masses can be easily felt , difficult for draining abscessation

39
Q

where is the iliocostalis system

A

ilium to ribs

40
Q

which epaxial muscle system is the longest and strongest? and what is it attaches to

A

longissimus

ilium and wing of atlas (5 parts )

41
Q

2 muscles of the transversospinalis system

A

multifidus and semisoinalis capitis

42
Q

innervation of the splenius

A

cervical nerves

43
Q

attachments of the splenius muscle

A

dorsal spinous process of T1 and nuchal crest/mastoid process of the skull

44
Q

innervation of the sternocephalicus

A

accessory nerve (CN X) and ventral brr. cervical spinal nn

45
Q

attachments of the sternocephalicus

A

manubrium and skull

46
Q

Species variation in sternocephalicus

A

horse= 1
dog and ox = cranial splits into 2 but they look different

47
Q

2 strap muscles of the neck

A

sternohyoideus and sternothyroideus

48
Q

innervation of the strap muscles of the neck

A

ventral brr cervical spinal nerves

49
Q

thyroid gland species differentiation

A

isthmus present in dogs, but not in cats
in the pig the 2 lobes are fused

50
Q

the trachea is covered ventrally by which muscle

A

sternohyoideus

51
Q

nerves of the neck

A

accessory nerve (CN X)

ventral branches of cervical spinal nerves
vagosympathetic trunk
roots of phrenic nerve

Normal Animal (18 decks)

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