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REVIEWERS 2ND YEAR/3RD SEM > ANAT101B MIDTERMS > Flashcards

ANAT101B MIDTERMS Flashcards

1
Q

What are the deep facial muscles?

A

Orbicularis oris
Zygomaticus/ Smiling Muscle
Incisivus superioris et inferioris
Levator labii superioris
Caninus
Buccinator
Mentalis
Levator nasolabialis

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2
Q

What are the superficial facial muscles?

A

Sphincter colli superficialis
Platysma
Sphincter colli profundus

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3
Q

What are the deep muscles of the eyelids, forehead, and ears

A

Orbicularis oculi
Retractor anguli oculi lateralis
Levator anguli oculi medialis
Levator palpebrae superioris
Orbitales
Occipitalis

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4
Q

Sphincter colli superficialis

A

Origin: Mid-dorsal raphe
Insertion: Ventral neck/ around lower jaw
Action: Move skin of the neck
Innervation: Facial nerve - cranial nerve VII

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5
Q

Platysma

A

Origin: Midline of neck
Insertion: Corner of lip and cheek
Action: tenses skin; Draw the lips caudally
Innervation: Facial nerve - cranial nerve VII

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6
Q

Sphincter colli profundus

A

Origin: Base of ear
Insertion: Caudal part of neck
Action: Tense and move neck skin
Innervation: Facial nerve - cranial nerve VII

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7
Q

Orbicularis oris

A

Origin: Area surrounding lips
Insertion: Skin of the lips
Action: Pursing lips; facial expression
Innervation: Facial nerve - cranial nerve VII

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8
Q

Zygomaticus/ Smiling Muscle

A

Origin: Zygomatic arch
Insertion: Angle of mouth
Action: Draw mouth caudally and dorsally
Innervation: Facial nerve - cranial nerve VII

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9
Q

Incisivus superioris et inferioris

A

Origin: Alveolar borders of the incisive bone and mandible
Insertion: Upper and lower lip
Action: moves the lip
Innervation: Facial nerve - cranial nerve VII

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10
Q

Levator labii superioris

A

Origin: Orbit
Insertion: Upper lip
Action: Elevate and retract superior/ upper lip
Innervation: Facial nerve - cranial nerve VII

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11
Q

Buccinator

A

Origin: Mandible and maxilla
Insertion: into orbicularis oris and skin at the corner of mouth
Action: Masticatory region of teeth
Innervation: Facial nerve - cranial nerve VII

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11
Q

Caninus

A

Origin: Maxilla
Insertion: nasal ala & upper lip
Action: raise upper lip and flare nostrils
Innervation: Facial nerve - cranial nerve VII

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12
Q

Ventral oblique/ Inferior oblique

A

Origin: between the palatine, lacrimal, and maxillary bones
Insertion: Sclera
Action: rotate the eyeball
Innervation: cranial nerve III

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13
Q

Retractor bulbi

A

Origin: common tendinous ring
Insertion: sclera
Action: retract eyeball
Innervation: cranial nerve VI

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13
Q

Mentalis

A

Origin: Near mental symphysis
Insertion: chin
Action: elevation of lower lip and chin
Innervation: Facial nerve - cranial nerve VII

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14
Q

Levator nasolabialis

A

Origin: Maxilla and nasal bone
Insertion: Lateral part of upper lip and nostrils
Action: Elevates upper lip and dilates nostrils
Innervation: Facial nerve - cranial nerve VII

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15
Q

Dorsal oblique/ Superior oblique

A

Origin: optic canal
Insertion: Sclera
Action: rotate the eyeball
Innervation: cranial nerve IV

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15
Q

What are muscles of bulbus oculi - external?

A

Dorsal oblique/ Superior oblique, Ventral oblique/ Inferior oblique, Dorsal rectus,
Ventral rectus,
Lateral rectus,
Medial rectus,
Retractor bulbi,
Orbicularis

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16
Q

Dorsal rectus

A

Origin: optic canal
Insertion: Sclera
Action: produce movement of eyeball
Innervation: cranial nerve III - Oculomotor nerve

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17
Q

Lateral rectus

A

Origin: Optic canal
Insertion: Slcera
Action: Movement of eyeball
Innervation: Cranial nerve VI

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17
Q

Ventral rectus

A

Origin: bottom of orbital cavity
Insertion: Sclera
Action: movement of eyeball
Innervation: cranial nerve VI

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18
Q

What are the tongue muscles?

A

Styloglossus
Hypoglossus
Genioglossus
Lingual proper (tongue itself)

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18
Q

Medial rectus

A

Origin: common ring tendon
Insertion: (limbus) area between sclera and cornea
Action: movement of eyeball
Innervation: cranial nerve III

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19
Q

Orbicularis

A

Origin: frontal maxilla & lacrimal
Insertion: palpebra
Action: Close the eyelid & compress the lacrimal sac
Innervation: facial nerve (cranial nerve VII)

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20
Q

Styloglossus

A

Origin: stylohyoid bone
Insertion: tongue
Action: depress tongue
Innervation: cranial nerve XII

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21
Q

Hypoglossus

A

Origin: hyoid bone
Insertion: tongue
Action: retract & depress the tongue
Innervation: cranial nerve XII

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22
Q

Genioglossus

A

Origin: Mandible
Insertion: Tongue & hyoid bone
Action: Extend & depress tongue
Innervation: cranial nerve XII

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22
Q

What are the muscles of mastication?

A

Masseter
Temporalis
Pterygoideus lateralis
Pterygoideus medialis
Digastricus

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23
Q

Lingual proper (tongue itself)

A

Origin: tongue
Insertion: tongue
Action: complex movement of tongue
Innervation: cranial nerve XII

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24
Q

Masseter

A

Origin: zygomatic arch
Insertion: mandible
Action: close mouth
Innervation: cranial nerve V

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25
Q

Temporalis

A

Origin: Parietal & frontal (temporal fossa)
Insertion: mandible
Action: close mouth
Innervation: cranial nerve V

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26
Q

Pterygoideus medialis

A

Origin: pterygoid, palatine, & sphenoid
Insertion: mandible
Action: side to side movement & closing
Innervation: cranial nerve V

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26
Q

Pterygoideus lateralis

A

Origin: sphenoid bone
Insertion: mandible
Action: side to side movement & closing
Innervation: cranial nerve V

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27
Q

Digastricus

A

Origin: occiput
Insertion: mandible
Action: open mouth
Innervation: cranial nerve V

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28
Q

What are the muscles of cervical vertebrae?

A

Rectus capitis ventralis
Rectus capitis dorsalis major
Rectus capitis dorsalis minor
Rectus capitis lateralis
obliquus capitis cranialis
obliquus capitis caudalis
splenius capitis
longus capitis

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29
Q

Rectus capitis ventralis

A

Origin: atlas
Insertion: basioccipital bone
Action: flexion of atlanto-occipital joint
Innervation: cervical spinal nerve

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30
Q

Rectus capitis dorsalis major

A

Origin: axis
Insertion: occipital bone
Action: extension of atlanto-occipital joint
Innervation: cervical spinal nerve

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30
Q

Rectus capitis dorsalis minor

A

Origin: axis
Insertion: occipital bone
Action: extension of atlanto-occipital joint
Innervation: cervical spinal nerve

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31
Q

Rectus capitis lateralis

A

Origin: wing of atlas
Insertion: paracondylar process of occipital bone
Action: flexion of atlanto-occipital joint
Innervation: cervical spinal nerve

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32
Q

obliquus capitis cranialis

A

Origin: atlas
Insertion: occipital bone
Action: rotation and lateral flexion of head
Innervation: cervical spinal nerve

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33
Q

obliquus capitis caudalis

A

Origin: axis
Insertion: occiput/ occipital bone
Action: extension and lateral flexion of head
Innervation: cervical spinal nerve

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34
Q

splenius capitis

A

Origin: spinous process of cervical & thoracic vertebrae
Insertion: mastoid process of temporal bone
Action: rotate or movement of head & neck
Innervation: cervical spinal nerve

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35
Q

longus capitis

A

Origin: transverse process of cervical vertebrae
Insertion: occipital bone
Action: flexion of the head & neck
Innervation: cervical spinal nerve

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36
Q

What are the muscles of the neck?

A

Brachiocephalicus
Cleidobrachialis
Cleidocephalicus
Omotransversarius
Sternocephalicus
Splenius capitis
Longus capitis
Logus colli
Scalenus dorsalis
Scalenus medius
Scalenus ventralis
Serratus ventralis cervicis

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37
Q

Brachiocephalicus

A

Origin: Clavicular tendon and humerus
Insertion: Neck
Action: Fixation of neck
Innervation: Accessory nerve

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38
Q

Cleidobrachialis

A

Origin: Clavicular tendon
Insertion: Humerus
Action: Draw the limb cranially; fix the neck
Innervation: Cervical spinal nerve

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39
Q

Omotransversarius

A

Origin: Scapula
Insertion: Atlas & axis
Action: Draw the limb forward
Innervation: Accessory nerve

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39
Q

Sternocephalicus

A

Origin: Manubrium sterni
Insertion: temporal & occipital bone
Action: Lateral flexion of head & neck
Innervation: Cervical & accessory spinal nerve

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39
Q

Cleidocephalicus

A

Origin: Clavicular tendon
Insertion: Neck
Action: Draw the limb cranially; fix the neck
Innervation: Cervical spinal nerve

40
Q

Splenius capitis

A

Origin:
Insertion:
Action:
Innervation:

41
Q

Longus capitis

A

Origin:
Insertion:
Action:
Innervation:

42
Q

Scalenus medius

A

Origin: C3 to C6 vertebra
Insertion: Ribs 3 & 4
Action: neck movement
Innervation: cervical and thoracic spinal nerve

42
Q

Scalenus dorsalis

A

Origin: C3 to C6 vertebra
Insertion: 3rd to 9th rib
Action: neck movement
Innervation: cervical and thoracic spinal nerve

43
Q

Longus colli

A

Origin: First six thoracic vertebrae
Insertion: 6th and 7th cervical vertebra & atlas
Action: Neck movement
Innervation: cervical spinal nerve

44
Q

Scalenus ventralis

A

Origin: C3 to C6 vertebra
Insertion: 1st rib
Action: neck movement
Innervation: cervical and thoracic spinal nerve

45
Q

Serratus ventralis cervicis

A

Origin: Facies serrata
Insertion: last 5 cervical vertebrae
Action: supports the trunk
Innervation: cervical spinal nerve

46
Q

What are the extrinsic thoracic limb muscles?

A

Trapezius
Latissimus dorsi
Rhomboideus cervicis
Rhomboideus capitis
Rhomboideus thoracis
Serratus dorsalis cranialis
Serratus dorsalis caudalis

47
Q

Trapezius

A

Origin: Neck to thorax
Insertion: spine of scapula
Action: elevation of limb; draws it forward
Innervation: accessory nerve

48
Q

Latissimus dorsi

A

Origin: thoracic to lumbar vertebrae
Insertion: humerus
Action: support & movement of the limb
Innervation: thoraccodorsal and pectorales caudales nerve

49
Q

Rhomboideus cervicis

A

Origin: neck/ ligamentum nuchae
Insertion: scapula
Action: movement of limb
Innervation: cervical & thoracic spinal nerve

50
Q

Rhomboideus capitis

A

Origin: neck & occipital bone
Insertion: scapula
Action: movement of limb
Innervation: cervical & thoracic spinal nerve

51
Q

Rhomboideus thoracis

A

Origin: 4th to 7th thoracic vertebra
Insertion: scapula
Action: movement of limb
Innervation: cervical & thoracic spinal nerve

52
Q

Serratus dorsalis cranialis

A

Origin: thoracolumbar fascia & thoracic vertebrae
Insertion: ribs 2-10
Action: lifts the rib for inspiration
Innervation: intercostal nerve

53
Q

What are the erector spinae muscles - iliocostalis muscle?

A

Iliocostalis lumborum
Iliocostalis thoracis
Iliocostalis cervicis

53
Q

Serratus dorsalis caudalis

A

Origin: thoracolumbar fascia
Insertion: 11th, 12th, & 13th rib
Action: draws the last 3 to 4 ribs caudally
Innervation: intercostal nerve

54
Q

Iliocostalis lumborum

A

Origin: os coxae
Insertion: 10th to 13th rib
Action: fixation of vertebral column
Innervation: thoracic & lumbar nerve

55
Q

Iliocostalis thoracis

A

Origin: illiocostalis lumborum
Insertion: ribs
Action: pulls the ribs caudally
Innervation: thoracic and lumbar nerve

56
Q

Iliocostalis cervicis

A

Origin:
Insertion:
Action:
Innervation:

57
Q

Longissimus cervicis

A

Origin: longissimus thoracis
Insertion: ilium
Action: extend the neck
Innervation: thoracic nerve

57
Q

What are the erector spinae muscles - longgissimus muscle?

A

Longissimus thoracis et lumborum
Longissimus cervicis
Longissimus capitis
Longissimus atlantis

58
Q

Longissimus thoracis et lumborum

A

Origin: thoracic and lumbar vertebra and ribs
Insertion: ilium to cervical vertebra
Action: extend the vertebral column
Innervation: thoracic and lumbar nerve

59
Q

Longissimus capitis

A

Origin:
Insertion:
Action:
Innervation:

60
Q

Longissimus atlantis

A

Origin:
Insertion:
Action:
Innervation:

61
Q

What are the erector spinae muscles - spinalis muscles?

A

Spinalis thoracis
Spinalis cervicis

62
Q

Spinalis thoracis

A

Origin: thoracic vertebrae
Insertion: thoracic vertebrae
Action: fixation of thoracic vertebrae and extend the neck
Innervation: cervical and thoracic spinal nerve

63
Q

Spinalis cervicis

A

Origin: 7th cervical and 1st thoracic vertebra
Insertion: 2nd to 5th cervical vertebrae
Action: fixation of thoracic vertebrae and extend the neck
Innervation: cervical and thoracic spinal nerve

64
Q

What are the transversospinalis muscle?

A

Semispinalis thoracis
Semispinalis cervicis
Semispinalis capitis
Biventer cervicis
Complexus
Multifidus
Rotatores

65
Q

Semispinalis thoracis

A

Origin: thoracic vertebrae and logissimus thoracis
Insertion: C6 to T4
Action: FIxation of thoracic vertebrae and extend the neck
Innervation: cervical and thoracic spinal nerve

66
Q

Semispinalis cervicis

A

Origin: semispinalis thoracis
Insertion: C2 to C3
Action: Fixation of thoracic vertebrae and extend the neck
Innervation: Cervical and thoracic spinal nerve

66
Q

Semispinalis capitis

A

Origin: Semispinalis thoracis and cervicis
Insertion: occiput
Action: fixation of thoracic vertebrae and extend the neck
Innervation: cervical spinal nerve

67
Q

Biventer cervicis

A

Origin: Thoracic vertebrae
Insertion: occipital bone
Action: raises the head and neck
Innervation: cervical and thoracic spinal nerve

68
Q

Complexus

A

Origin: Biventer cervicis muscle
Insertion: T1 to T3
Action: extend the head and neck
Innervation: cervical spinal nerve

69
Q

Rotatores

A

Origin: thoracic vertebrae
Insertion: thoracic vertebrae
Action: rotation of thoracic vertebral column
Innervation: thoracic spinal nerve

70
Q

Multifidus

A

Origin: Sacrum to C2
Insertion: C7 to T8
Action: Fixation of the vertebral column
Innervation: thoracic spinal nerve

70
Q

Interspinales

A

Origin: vertebra
Insertion: vertebra
Action: fixation of vertebral column
Innervation: spinal nerves

71
Q

What are the interspinal muscles?

A

Interspinales

72
Q

What are the intertransversarii muscles?

A

Intertransversarii muscles (Thoracis, dorsalis cervicis, medii cervicis)

73
Q

What are the muscles of the thoracic wall?

A

Intercostales externi
Levatores costarum
Intercostales interni
Subcostales
Rectus thoracis
Retractor costae
Transversus thoracis

73
Q

Intertransversarii muscles (Thoracis, dorsalis cervicis, medii cervicis)

A

Origin: Transverse process of vertebra
Insertion: Transverse process of vertebra
Action: lateral flexion & stabilization of spine
Innervation: spinal nerves

74
Q

Levatores costarum

A

Origin: T1-T12
Insertion: rib
Action: inspiration
Innervation: intercostal nerve

75
Q

Intercostales externi

A

Origin: Caudal border of rib
Insertion: cranial border of rib
Action:
Innervation: intercostal nerve

76
Q

Intercostales interni

A

Origin: cranial border of rib
Insertion: caudal border of rib
Action:
Innervation: intercostal nerve

77
Q

Subcostales

A

Origin: rib 9 to 11
Insertion: ribs
Action: draw the ribs together
Innervation: intercostal nerve

78
Q

Rectus thoracis

A

Origin: 1st rib
Insertion: rib 2-4
Action: expiration
Innervation: intercostal nerve

79
Q

Transversus thoracis

A

Origin: sternum
Insertion: sternum
Action: expiration
Innervation: intercostal nerve

79
Q

Retractor costae

A

Origin:
Insertion:
Action: expiration
Innervation: intercostal nerve

80
Q

What are the muscles of the abdominal wall?

A

Obliquus abdominis externus
Obliquus abdominis internus
Transversus abdominis
Rectus abdominis
Cutaneous trunci
Preputialis
Supramammaricus

81
Q

Obliquus abdominis externus

A

Origin: last few pairs of rib
Insertion: abdominal wall
Action: expiration; urination; parturition
Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve

82
Q

Obliquus abdominis internus

A

Origin: last 2 ribs and tuber coxae
Insertion: obliquus abdominis externus
Action: expiration; urination; parturition
Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve

83
Q

Transversus abdominis

A

Origin: last few pairs of rib and lumbar vertebrae
Insertion: linea alba
Action: expiration; urination; parturition
Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve

84
Q

Rectus abdominis

A

Origin: linea alba
Insertion: costal cartilage to pecten of pubis
Action: expiration; urination; parturition
Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve

85
Q

Cutaneous trunci

A

Origin: gluteal area
Insertion: axillary region
Action: protective mechanism/ reflex
Innervation: cervical and thoracic spinal nerve

86
Q

Preputialis

A

Origin:
Insertion:
Action:
Innervation:

87
Q

Supramammaricus

A

Origin:
Insertion:
Action:
Innervation:

88
Q

What are the muscles of the tail - levator ani?

A

Sacrocaudalis dorsalis lateralis
Sacrocaudalis dorsalis medialis
Sacrocaudalis ventralis lateralis
Sacrocaudalis ventralis medialis
Intertransversarius dorsales caudae
Intertransversarius vetnralis caudae
Coccygeus
Levator ani
Iliocaudalis
Pubocaudalis
Rectococcygeus
Sphincter ani internus
Sphincter ani externus
Retractor penis/ Clitoridis

89
Q

Sacrocaudalis dorsalis lateralis

A

Origin: Sacrum
Insertion: caudal vertebrae
Action: levator of tail
Innervation: sacral and caudal nerve

90
Q

Sacrocaudalis dorsalis medialis

A

Origin: Sacrum
Insertion: caudal vertebrae
Action: levator of tail
Innervation: sacral and caudal nerve

91
Q

Sacrocaudalis ventralis medialis

A

Origin: Sacrum
Insertion: caudal vertebrae
Action: depressor of tail
Innervation: sacral and caudal nerve

92
Q

Sacrocaudalis ventralis lateralis

A

Origin: Sacrum
Insertion: caudal vertebrae
Action: depressor of tail
Innervation: sacral and caudal nerve

93
Q

Intertransversarius dorsales caudae

A

Origin: caudal vertebrae
Insertion: caudal vertebrae
Action: draws tail sideways
Innervation: sacral and caudal nerve

94
Q

Intertransversarius vetnralis caudae

A

Origin: caudal vertebrae
Insertion: caudal vertebrae
Action: draws tail sideways
Innervation: sacral and caudal nerve

95
Q

Pubocaudalis

A

Origin:
Insertion:
Action:
Innervation:

95
Q

Coccygeus

A

Origin: ischiatic spine and sacrotuberal ligament
Insertion: caudal vertebrae
Action: draws tail sideways
Innervation: sacral and caudal nerve

95
Q

Levator ani

A

Origin: ilium and pelvis
Insertion: caudal vertebrae
Action: depressor of the tail
Innervation: sacral and caudal nerve

95
Q

Retractor penis/ Clitoridis

A

Origin: caudal vertebrae
Insertion: paranal sinus
Action: retracts the penis or clitoris
Innervation: perineal nerve

95
Q

Iliocaudalis

A

Origin:
Insertion:
Action:
Innervation:

96
Q

Sphincter ani externus

A

Origin: anus
Insertion: caudal vertebra
Action: aid in defection
Innervation: pelvic plexus

96
Q

Rectococcygeus

A

Origin: rectum
Insertion: rectum
Action: aid in defecation
Innervation: pelvic plexus

96
Q

Sphincter ani internus

A

Origin: pubic bone
Insertion: internal obturator
Action: aid in defecation
Innervation: pelvic plexus

97
Q

Orbitales

A

Origin: Medial palpebral ligament/ maxilla
Insertion: lateral palpebral raphe
Action: close eyelid
Innervation: cranial nerve VII

98
Q

Occipitalis

A

Origin: nuchal line
Insertion: Galea aponeurotica
Action: pull snout posteriorly and elevate eyebrows
Innervation: cranial nerve VII

REVIEWERS 2ND YEAR/3RD SEM (7 decks)

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