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Gross Veterinary Anatomy Lab > Myology - Head and Neck > Flashcards

Myology - Head and Neck Flashcards

Excluded: Ear muscles, Larynx, Pharynx

1
Q

Sphincter coli superficialis

A

O: Mid-dorsal raphe
I: Ventral neck/ around lower jaw
A: Move skin of the neck
N: Facial nerve - cranial nerve VII

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2
Q

Platysma

A

O: Midline of neck
I: Corner of lip and cheek; tenses skin
A: Draw the lips caudally
N: Facial nerve - cranial nerve VII

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3
Q

Sphincter colli profundus

A

O: Base of ear
I: Caudal part of neck
A: Tense and move neck skin
N: Facial nerve - cranial nerve VII

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4
Q

Orbicularis oris

A

O: Area surrounding lips
I: Skin of the lips
A: Pursing lips; facial expression
N: Facial nerve - cranial nerve VII

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5
Q

Zygomaticus/ Smiling Muscle

A

O: Zygomatic arch
I: Angle of mouth
A: Draw mouth caudally and dorsally
N: Facial nerve - cranial nerve VII

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6
Q

Incisivus superioris et inferioris

A

O: Alveolar borders of the incisive bone and mandible
I: Upper and lower lip
A: moves the lip
N: Facial nerve - cranial nerve VII

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7
Q

Levator labii superioris

A

O: Orbit
I: Upper lip
A: Elevate and retract superior/ upper lip
N: Facial nerve - cranial nerve VII

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8
Q

Caninus

A

O: Maxilla
I: nasal ala & upper lip
A: raise upper lip and flare nostrils
N: Facial nerve - cranial nerve VII

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9
Q

Buccinator

A

O: Mandible and maxilla
I: into orbicularis oris and skin at the corner of mouth
A: Masticatory region of teeth
N: Buccal branches of teeth

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10
Q

Mentalis

A

O: Near mental symphysis
I: chin
A: elevation of lower lip and cheek
N: Dorsal buccal branch of facial nerve

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11
Q

Levator nasolabialis

A

O: Maxilla and nasal bone
I: Lateral part of upper lip and nostrils
A: Elevates upper lip and dilates nostrils
N: Facial nerve - cranial nerve VII

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12
Q

Orbicularis oculi

A

O: Medial palpebral ligament
I: palpebral raphe
A: palpebral fissure/ eyelids
N: cranial nerve VII

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13
Q

Retractor anguli oculi lateralis

A

O: Zygomatic arch
I: part of lower eyelid
A: retract and elevate lateral part of lower eyelid
N: cranial nerve VII

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14
Q

Levator anguli oculi medialis

A

O: maxilla
I: medial canthus and skin of upper eyelid
A: Lift medial part of upper eyelid
N: cranial nerve VII

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15
Q

Levator palpebrae superioris

A

O: apex of orbit
I: upper eyelid
A: elevates palpebrae superioris/ upper eyelid
N: cranial nerve III

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16
Q

Orbitales

A

O: Medial palpebral ligament/ maxilla
I: lateral palpebral raphe
A: close eyelid
N: cranial nerve VII

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17
Q

Occipitalis

A

O: nuchal line
I: Galea aponeurotica
A: pull snout posteriorly and elevate eyebrows
N: cranial nerve VII

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18
Q

Masseter

A

O: zygomatic arch
I: mandible
A: close mouth
N: cranial nerve V

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19
Q

Temporalis

A

O: parietal, temporal, & occipital bone; temporal fossa
I: Mandible
A: close mouth
N: cranial nerve V

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20
Q

Pterygoideus lateralis

A

O: sphenoid bone
I: mandible
A: side to side movement & closing
N: cranial nerve V

21
Q

Pterygoideus medialis

A

O: pterygoid, palatine, & sphenoid
I: mandible
A: side to side movement & closing
N: cranial nerve V

22
Q

Digastricus

A

O: occiput/ occipital bone
I: mandible
A: open mouth
N: cranial nerve V

23
Q

Dorsal oblique/ Superior oblique

A

O: optic canal
I: Sclera
A: rotate the eyeball
N: cranial nerve IV

24
Q

Ventral oblique/ Inferior oblique

A

O: between the palatine, lacrimal, and maxillary bones
I: Sclera
A: rotate the eyeballs
N: cranial nerve III

25
Q

Dorsal rectus

A

O: optic canal
I: sclera
A: produce mvement of eyeball
N: cranial nerve III - Oculomotor nerve

26
Q

Ventral rectus

A

O: bottom of orbital cavity
I: sclera
A: movement of eyeball
N: cranial nerve VI

27
Q

Lateral rectus

A

O: optic canal
I: sclera
A: moves the eye laterally, side to side
N: cranial nerve VI

28
Q

Medial rectus

A

O: common ring tendon
I: area between sclera and cornea
A: movement of eye
N: cranial nerve III

29
Q

Retractor bulbi

A

O: common tendinous ring
I: sclera
A: retract eyeball to normal position
N: cranial nerve VI

30
Q

Orbicularis

A

O: frontal maxilla
I: palpebra
A: Orbital part: closes eyelids tightly;
palpebral part: closes eyelids gently;
deep palpebral part: compresses lacrimal sac
N: Facial facial nerve (cranial nerve VII)

31
Q

Styloglossus

A

O: stylohyoid bone
I: tongue
A: depress tongue
N: cranial nerve XII

32
Q

Genioglossus

A

O: Mandible
I: Tongue & hyoid bone
A: Extend & depress tongue
N: cranial nerve XII

33
Q

Lingual proper (tongue itself)

A

O: tongue
I: tongue
A: complex movement of tongue
N: cranial nerve XII

34
Q

Sternohyoideus

A

O: Sternum
I: Basihyoid
A: Pull basihyoid bone & tongue caudally
N: Cervical spinal nerve; sometimes Cranial nerve XII

35
Q

Thyrohyoideus

A

O: Thyroid cartilage
I: Hyoid bone
A: draw hyoid caudally & dorsally
N: CN XII (mainly); sometimes cervical spinal nerve

36
Q

Mylohyoideus

A

O: Mylohyoid line of mandible | Simply put: mandible
I: Basihyoid
A: Raise floor of mouth & draw hyoid apparatus rostrally
N: Cranial nerve V

37
Q

Ceratohyoideus

A

O: Stylohyoid bone
I: Ceratohyoid bone
A: Decrease angle of stylohyoid & ceratohyoid
N: Cranial nerve IX

38
Q

Geniohyoideus

A

O: Intermandibular articulation
I: Basihyoid bone
A: draw hyoid apparatus cranially
N: Cranial nerve XII

39
Q

Occipitohyoideus

A

O: Occiput/ Occipital bone
I: Stylohyoid bone
A: Move stylohoid bone caudally
N: Cranial nerve VII

40
Q

Stylohyoideus

A

O: Temporal bone
I: Hyoid apparatus
A: Elevate & draw hyoid bone
N:Cranial nerve VII

41
Q

Rectus capitis ventralis

A

O: atlas
I: basioccipital bone
A: flexion of atlanto-occipital joint
N: cervical spinal nerve

42
Q

Rectus capitis dorsalis major

A

O: axis
I: occipital bone
A: extension of atlanto-occipital joint
N: cervical spinal nerve

43
Q

Rectus capitis dorsalis minor

A

O: axis
I: occipital bone
A: extension of atlanto-occipital joint
N: cervical spinal nerve

44
Q

Rectus capitis lateralis

A

O: wing of atlas
I: paracondylar process of occipital bone
A: flexion of atlanto-occipital joint
N: cervical spinal nerve

45
Q

obliquus capitis cranialis

A

O: atlas
I: occipital bone
A: rotation and lateral flexion of head
N: cervical spinal nerve

46
Q

obliquus capitis caudalis

A

O: axis
I: occiput/ occipital bone
A: extension and lateral flexion of head
N: cervical spinal nerve

47
Q

splenius capitis

A

O: spinous process of cervical & thoracic vertebrae
I: mastoid process of temporal bone
A: movement of head & neck
N: cervical spinal nerve

48
Q

longus capitis

A

O: transverse process of cervical vertebrae
I: occipital bone
A: flexion of the head & neck
N: cervical spinal nerve

Gross Veterinary Anatomy Lab (1 decks)

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