Head, Neck and Trunk Flashcards
1
Q
Origin and Insertion of m. orbicularis oris?
A
Circular Muscle
Upper and Lower Lips
2
Q
Innervation of m. orbicularis oris?
A
Facial Nerve
3
Q
Function of m. orbicularis oris?
A
Closes the opening of the mouth
4
Q
Origin of m. levator nasolabialis?
A
Lateral surface of the nasal and maxillary bones
5
Q
Termination of m. levator nasolabialis?
A
m. orbicularis oris near the nasal aperture
6
Q
Innervation of m. levator nasolabialis?
A
n. facialis
7
Q
Function of m. levator nasolabialis?
A
Raises the upper lip and widens external nares
8
Q
Origin of m. levator labii superioris?
A
Maxillary Bones
9
Q
Termination of m. levator labii superioris?
A
Upper lip
10
Q
Innervation of m. levator labii superioris?
A
n. facialis
11
Q
Function of m. levator labii superioris?
A
Raises upper lip and nasal plane.
12
Q
Origin and Insertion of m. depressor labii superioris?
A
Facial Tuberosity
Upper Lip
13
Q
Innervation of m. depressor labii superioris?
A
n. facialis
14
Q
Function of m. depressor labii superioris?
A
Pulls upper lip down.
15
Q
Origin and Insertion of m. depressor labii inferioris?
A
Maxillary Tuberosity
Lower Lip
16
Q
Innervation of m. depressor labii inferioris?
A
n. facialis
17
Q
Function of m. depressor labii inferioris?
A
Pulls lower lip down
18
Q
Origin and Insertion of m. caninus?
A
Rostral on facial crest and facial tuberosity
Upper lip near nasal aperture
19
Q
Innervation of m. caninus?
A
n. facialis
20
Q
Function of m. caninus?
A
Widens external naris and draws back upper lip
21
Q
Origin and insertion of m. zygomaticus?
A
Zygomatic Bone
m. orbicualris oris
22
Q
Innervation of m. zygomaticus?
A
n. facialis
23
Q
Function of m. zygomaticus?
A
Draws back angle of mouth
24
Q
Origin and Insertion of m. buccinator?
A
Maxilla and Mandible
Middle Tendon
25
Innervation of m. buccinator?
n. facialis
26
Function of m. buccinator?
Narrows cheek pouch.
27
Origin of m. orbicularis oculi?
Circular muscle of the eye
28
Innervation of m. orbicularis oculi?
n. facialis
29
Function of m. orbicularis oculi?
Closes palpebral fissure
30
Origin and Insertion of m. malaris?
Facial Fascia
Lower eyelid
31
Innervation of m. malaris?
n. facialis
32
Function of m. Malaris?
Draws lower eyelid downward
33
Origin and Insertion of m. Temporalis?
Temporal Fossa
Coronoid Process (mandible)
34
function of m. Temporalis?
Raises mandible to close mouth
35
5 muscles of mastication being innervated the mandibular branch of the trigeminal nerve?
m. Temporalis
m. Masseter
m. pterygoideus medialis and lateralis
m. Digastricus
36
Origin and Insertion of m. Masseter?
Facial Crest & Zygomatic Arch
Lateral Mandible
37
Function of m. Masseter?
Raises mandible
38
Origin and Insertion of m. Pterygoideus medialis?
Pterygoid process of sphenoid & pterygoid bones
Medial surface of mandible
39
Function of m. Pterygoideus medialis?
Raises mandible
40
Origin and Insertion of m. Pterygoideus lateralis?
Pterygoid process of sphenoid bone
Medial mandible and condylar process.
41
Function of m. pterygoideus lateralis?
Raises mandible, draws mandible forward.
42
Origin and Insertion of m. digastricus?
Occipital process (occipital bone)
Medial mandibular body
43
Function of m. digastricus?
Draws mandible down and opens mouth.
44
Innervation of the two parts of m. Digastricus
Venter Rostralis: mandibular nerve
Venter Caudalis: digastric branch of facial nerve.
45
2 parts of m. Cleidocephalicus in the different species
Carn: cervical and mastoid
Eq: mastoid
Ru: occipital and mastoid
46
Origin of cleidocervical muscle (carn)
Nuchal ligament, occipital bone.
47
Origin of cleidomastoid muscle (carn)
Mastoid process, temporal bone.
48
Origin of cleidomastoid muscle (eq)
Mastoid process, temporal bone and nuchal crest.
49
Origin of cleidooccipital muscle (ru)
Occipital muscle, nuchal ligament
50
Origin of cleidomastoid muscle (ru)
Mastoid process of mandible.
51
Insertion of m. Cleidocephalicus (carn)
Clavicular intersection
52
Insertion of m. Cleidocephalicus (eq)
Deltoid tuberosity, humeral crest.
53
Insertion of m. Cleidocephalicus (Ru)
Humeral crest
54
Innervation of m. Brachiocephalicus
Axillary, Accessory and Cervical nerves.
55
Function of m. Brachiocephalicus?
Draws head/neck backwards and down.
56
What muscles form the m. cleidotransversarius in Eq?
m. cleidomastoidea and m. omotransversarius
57
2 parts of m. Sternocephalicus (carn)
pars occipitalis
pars mastoidea
58
2 parts of m. Sternocephalicus (eq)
Pars mandibularis
59
2 parts of m. Sternocephalicus (ru)
Pars mandibularis
Pars mastoidea
60
Innervation of m. Sternocephalicus?
Accessory nerve (ventral branch)
61
Function of m. sternocephalicus?
Flex head/neck, draws head/neck down.
62
Origin and insertion of m. Sterno-occipitalis (carn)
Manubrium
Nuchal crest
63
Origin and insertion of m. Sternomastoidea (carn)
Manubrium
Mastoid process
64
Origin and insertion of m. Sternomandibularis (eq)
Manubrium
Neck facing mandibular border
65
Origin and insertion of m. Sternomandibularis (ru)
Manubrium and 1st rib
Rostral border of Masseter muscle
66
Origin and Insertion of m. Sternomastoidea (Ru)
Manubrium
Temporal bone
67
Origin of m. splenius?
Spinous Process of thoracic vertebrae
Nuchal Ligament
68
Insertion of m. splenius cervicis?
Transverse Process of CV 3-5
69
Insertion of m. splenius capitis?
Occipital bone, mastoid process.
70
Which animal does not have m. splenius cervicis?
Carnivores
71
Insertion of m. splenius?
Dorsal branch of Cervical and Thoracic nerves
72
Function of m. splenius?
Extends and draws head and neck to the side.
73
3 parts of m. scalenus?
m. scalenus ventralis
m. scalenus dorsalis
m. scalenus medius
74
Innervation of m. scalenus?
Ventral branches of C5-8 and Th1-2
75
Which part of m. scalenus is absent in carn?
m. scalenus ventralis
76
Which part of m. scalenus is absent in eq?
m. scalenus dorsalis
77
Origin of m. trapezius pars cervicalis?
Nuchal Ligament
78
Origin of m. trapezius pars thoracica?
Supraspinous ligament
79
Termination of m. trapezius?
Spina Scapulae
80
Innervation of m. trapezius?
n. accessorius
81
Function of m. trapezius?
Fixes shoulder, lifts/abducts/draws forelimb cranially.
82
Origin and Insertion of m. omotransversarius?
Alae Atlantis and PT of Axis
Spina Scapulae
83
Innervation of m. omotransversarius?
n. accessorius
84
Function of m. omotransversarius?
Draws neck side/down, draws scapula up.
85
Origin and Insertion of m. latissimus dorsi?
Thoraco-columbar fascia
Tuberositas Teres Major
86
Innervation of m. latissimus dorsi?
Thoracodorsal nerve
87
Function of m. latissimus dorsi?
Draws forelimb backward.
Antagonist to m. brachiocephalicus.
88
Which animals have m. subclavius?
Eq/Su
89
Origin and Insertion of m. subclavius?
1-4 rib cartilage
Epimysium of supraspinous muscle
89
Innervation of m. subclavius?
Cranial thoracic nerves
89
Function of m. subclavius?
Fixes scapula
89
2 parts of m. rhomboideus?
m. rhomboideus cervicis
m. rhomboideus thoracis
90
Origin of m. rhomboideus cervicis?
Processus spinuosus of CV
91
Origin of m. rhomboideus thoracis?
Processus spinuosus of TV
92
Termination of m. rhomboideus?
Medial base of scapula.
93
Innervation of m. rhomboideus?
Dorsal and Ventral branches of Cervical and Thoracic nerves.
94
Function of m. rhomboideus?
Moves limb forward, elevates limb and neck, fixes scapula.
95
Origin and insertion of m. pectoralis profundus (ascendens)?
Sternum
Lesser tubercle of humerus
96
Innervation of m. pectoralis profundus?
Cranial and caudal pectorals nerves.
97
Function of m. pectoralis profundus?
Moves limb backward, supports the trunk, extends the shoulder joint.
98
2 parts of m. pectorales superficiales?
m. pectoralis descendens
m. pectoralis transversus
99
Origin and insertion of m. pectoralis descendens?
manubrium sterni
crista humeri
100
Origin and insertion of m. pectoralis transversus?
Sternum
Lower arm fascia
101
Innervation of the mm. pectorales superficiales
Cranial and caudal thoracic nerves
102
Function of mm. pectorales superficiales
Limb forward/backward
Trunk sideward.
103
2 parts of m. serratus ventralis?
m. serratus ventralis cervicis
m. serratus ventralis thoracis
104
Origin of m. serratus ventralis cervicis
Transverse process of CV
105
Origin of m. serratus ventralis thoracis?
Rib 1-7
106
Termination of m. serratus ventralis
Facies serrata of scapula
107
Innervation of m. serratus ventralis
Dorsal/Ventral branches of cervical nerves
Long thoracic nerve
108
Function of m. serratus ventralis?
Trunk support, carries scapula/trunk forward/back.
109
Origin and Insertion of mm. intercostales externi?
Caudal border of ribs
Cranial border of preceesing rib
110
Innervation of mm. intercostales externi?
Intercostal nerves
111
Function of mm. intercostales externi?
Extends thorax
Inhalation
112
Origin and insertion of mm. intercostales interni?
Cranial border of ribs
Caudal borded of foregoing rib
113
Innervation of mm. intercostales interni?
Intercostal nerves
114
Function of mm. intercostales interni?
Contracts thorax
Exhalation
115
Origin and Insertion of m. rectus thoracis?
1st rib
2nd - 4th rib cartilage
116
Innervation of m. rectus thoracis?
Intercostal nerves
117
Function of m. rectus thoracis?
Extends thorax
Inhalation
118
What is the longest, strongest muscle in the back?
m. erector spinae
119
Innervation of m. iliocostalis?
Dorsal branches of thoracic and lumbar nerves
120
Origin and Insertion of m. iliocostalis cervicis?
TP of cranial thoracic vetrebrae
TP of C7
121
Function of m. iliocostalis cervicis?
Bends vertebral column sideways.
121
Origin and insertion of m. iliocostalis thoracis
Cranila edge of ribs
Caudal rib border and TP of C7
122
Function of m. iliocostalis thoracis?
Bends vertebral column sideways.
123
Origin and insertion of m. iliocostalis lumborum?
Iliac crest and TP of lumbar column
Caudal border of last rib
123
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