Anatomy 4

Question 1

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

Answer 1

Platysma

cutaneus colli
cutaneus faciei

Question 2

muscle over the frontal bone in man, ruminants and pigs

Answer 2

frontalis

Question 3

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

Answer 3

Cutaneus faciei

Cutaneus colli - intravenous injection and withdrawl

Question 4

Which muscle has clinical significance of panniculus relex in small animals

Answer 4

cutaneus trunci

Question 5

the ____. ______ is a continuation of cutaneus truci

Answer 5

cutaneus omobrachialis

Question 6

What muscle is responsible for dogs shaking water off of them

Answer 6

superficial fascia

Question 7

what muscle is an example of deep fascia

Answer 7

thoracolumbar fascia

Question 8

the synsarcosis appears in which animals

Answer 8

primates, and climbing animals that have a clavicle

Question 9

innervation of the brachiocephalicus

Answer 9

accessory nerve (CN X) and cervical spinal nn.

Question 10

2 parts of the brachiocephalicus

Answer 10

cliedocephalicus and cliedobrachialis

-cliedocephalicus not divided in the horse

Question 11

action and general attachment of the omotransversarius muscle

Answer 11

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

Question 12

Innervation of omotransversarius

Answer 12

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

Question 13

Where is the omotransversarius attached on the horse

Answer 13

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

Question 14

innervation of the trapezius

Answer 14

accessory nerve (CN X)

Question 15

attachment of the trapezius

Answer 15

dorsal midline and spine of the scapula

elevates and adducts the limb

Question 16

Innervation of rhomboideus

Answer 16

brachial plexus nerves

Question 17

attachments of the rhomboideus

Answer 17

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

(capital part only in cats and dogs)

Question 18

innervation of latissimus dorsi

Answer 18

thoracodorsal nerve

Question 19

action and attachment of latissimus dorsi

Answer 19

broad, from thoracolumbar fascia to major tuberosity on the humerus

Question 20

innervation of serratus ventralis

Answer 20

ventral cervical spinal nerves to the cervical part

long thoracic nerve to the thoracic part

Question 21

species variations in the serratus ventralis

Answer 21

none

Question 22

attachments of serratus ventralis

Answer 22

fan-shaped

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

Question 23

species variation in the latissimus dorsi

Answer 23

none

Question 24

innervation of the superficial pectoral

Answer 24

brachial plexus (cranial pectoral nerves)

Question 25

attachment of the superficial pectoral

Answer 25

sternum to humerus 2 parts (cranial and caudal)

Question 26

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

Answer 26

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

Question 27

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

Answer 27

deep pectoral and serratus ventralis

Question 28

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

Answer 28

Subclavius

Question 29

what muscles are dorsal to the transverse process of the spine

Answer 29

epaxial

Question 30

muscles that are ventral to the transverse process of the spine

Answer 30

hypaxial

Question 31

7 hypaxial muscles

Answer 31

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)

Question 32

innervation of the longus colli

Answer 32

ventral branches of cervical spinal nerves

Question 33

why is the longus colli a surgical landmark

Answer 33

makes for a bloodless access point to the intervertebral space incision site to the IVD

Question 34

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

Answer 34

Longus capitis

Question 35

innervation of the lumbar hypaxial muscles

Answer 35

ventral branches of T, L, S spinal nerves

Question 36

What are the 3 muscle systems of epaxial muscles

Answer 36

transversospinalis longissimus iliocostalis

Question 37

Innervation of epaxial muscles

Answer 37

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

Question 38

clinical significance of epaxial muscles

Answer 38

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

Question 39

where is the iliocostalis system

Answer 39

ilium to ribs

Question 40

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

Answer 40

longissimus ilium and wing of atlas (5 parts )

Question 41

2 muscles of the transversospinalis system

Answer 41

multifidus and semisoinalis capitis

Question 42

innervation of the splenius

Answer 42

cervical nerves

Question 43

attachments of the splenius muscle

Answer 43

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

Question 44

innervation of the sternocephalicus

Answer 44

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

Question 45

attachments of the sternocephalicus

Answer 45

manubrium and skull

Question 46

Species variation in sternocephalicus

Answer 46

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

Question 47

2 strap muscles of the neck

Answer 47

sternohyoideus and sternothyroideus

Question 48

innervation of the strap muscles of the neck

Answer 48

ventral brr cervical spinal nerves

Question 49

thyroid gland species differentiation

Answer 49

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

Question 50

the trachea is covered ventrally by which muscle

Answer 50

sternohyoideus

Question 51

nerves of the neck

Answer 51

accessory nerve (CN X) ventral branches of cervical spinal nerves vagosympathetic trunk roots of phrenic nerve