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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
Styloglossus
Origin: stylohyoid bone Insertion: tongue Action: depress tongue Innervation: cranial nerve XII
21
Hypoglossus
Origin: hyoid bone Insertion: tongue Action: retract & depress the tongue Innervation: cranial nerve XII
22
Genioglossus
Origin: Mandible Insertion: Tongue & hyoid bone Action: Extend & depress tongue Innervation: cranial nerve XII
22
What are the muscles of mastication?
Masseter Temporalis Pterygoideus lateralis Pterygoideus medialis Digastricus
23
Lingual proper (tongue itself)
Origin: tongue Insertion: tongue Action: complex movement of tongue Innervation: cranial nerve XII
24
Masseter
Origin: zygomatic arch Insertion: mandible Action: close mouth Innervation: cranial nerve V
25
Temporalis
Origin: Parietal & frontal (temporal fossa) Insertion: mandible Action: close mouth Innervation: cranial nerve V
26
Pterygoideus medialis
Origin: pterygoid, palatine, & sphenoid Insertion: mandible Action: side to side movement & closing Innervation: cranial nerve V
26
Pterygoideus lateralis
Origin: sphenoid bone Insertion: mandible Action: side to side movement & closing Innervation: cranial nerve V
27
Digastricus
Origin: occiput Insertion: mandible Action: open mouth Innervation: cranial nerve V
28
What are the muscles of cervical vertebrae?
Rectus capitis ventralis Rectus capitis dorsalis major Rectus capitis dorsalis minor Rectus capitis lateralis obliquus capitis cranialis obliquus capitis caudalis splenius capitis longus capitis
29
Rectus capitis ventralis
Origin: atlas Insertion: basioccipital bone Action: flexion of atlanto-occipital joint Innervation: cervical spinal nerve
30
Rectus capitis dorsalis major
Origin: axis Insertion: occipital bone Action: extension of atlanto-occipital joint Innervation: cervical spinal nerve
30
Rectus capitis dorsalis minor
Origin: axis Insertion: occipital bone Action: extension of atlanto-occipital joint Innervation: cervical spinal nerve
31
Rectus capitis lateralis
Origin: wing of atlas Insertion: paracondylar process of occipital bone Action: flexion of atlanto-occipital joint Innervation: cervical spinal nerve
32
obliquus capitis cranialis
Origin: atlas Insertion: occipital bone Action: rotation and lateral flexion of head Innervation: cervical spinal nerve
33
obliquus capitis caudalis
Origin: axis Insertion: occiput/ occipital bone Action: extension and lateral flexion of head Innervation: cervical spinal nerve
34
splenius capitis
Origin: spinous process of cervical & thoracic vertebrae Insertion: mastoid process of temporal bone Action: rotate or movement of head & neck Innervation: cervical spinal nerve
35
longus capitis
Origin: transverse process of cervical vertebrae Insertion: occipital bone Action: flexion of the head & neck Innervation: cervical spinal nerve
36
What are the muscles of the neck?
Brachiocephalicus Cleidobrachialis Cleidocephalicus Omotransversarius Sternocephalicus Splenius capitis Longus capitis Logus colli Scalenus dorsalis Scalenus medius Scalenus ventralis Serratus ventralis cervicis
37
Brachiocephalicus
Origin: Clavicular tendon and humerus Insertion: Neck Action: Fixation of neck Innervation: Accessory nerve
38
Cleidobrachialis
Origin: Clavicular tendon Insertion: Humerus Action: Draw the limb cranially; fix the neck Innervation: Cervical spinal nerve
39
Omotransversarius
Origin: Scapula Insertion: Atlas & axis Action: Draw the limb forward Innervation: Accessory nerve
39
Sternocephalicus
Origin: Manubrium sterni Insertion: temporal & occipital bone Action: Lateral flexion of head & neck Innervation: Cervical & accessory spinal nerve
39
Cleidocephalicus
Origin: Clavicular tendon Insertion: Neck Action: Draw the limb cranially; fix the neck Innervation: Cervical spinal nerve
40
Splenius capitis
Origin: Insertion: Action: Innervation:
41
Longus capitis
Origin: Insertion: Action: Innervation:
42
Scalenus medius
Origin: C3 to C6 vertebra Insertion: Ribs 3 & 4 Action: neck movement Innervation: cervical and thoracic spinal nerve
42
Scalenus dorsalis
Origin: C3 to C6 vertebra Insertion: 3rd to 9th rib Action: neck movement Innervation: cervical and thoracic spinal nerve
43
Longus colli
Origin: First six thoracic vertebrae Insertion: 6th and 7th cervical vertebra & atlas Action: Neck movement Innervation: cervical spinal nerve
44
Scalenus ventralis
Origin: C3 to C6 vertebra Insertion: 1st rib Action: neck movement Innervation: cervical and thoracic spinal nerve
45
Serratus ventralis cervicis
Origin: Facies serrata Insertion: last 5 cervical vertebrae Action: supports the trunk Innervation: cervical spinal nerve
46
What are the extrinsic thoracic limb muscles?
Trapezius Latissimus dorsi Rhomboideus cervicis Rhomboideus capitis Rhomboideus thoracis Serratus dorsalis cranialis Serratus dorsalis caudalis
47
Trapezius
Origin: Neck to thorax Insertion: spine of scapula Action: elevation of limb; draws it forward Innervation: accessory nerve
48
Latissimus dorsi
Origin: thoracic to lumbar vertebrae Insertion: humerus Action: support & movement of the limb Innervation: thoraccodorsal and pectorales caudales nerve
49
Rhomboideus cervicis
Origin: neck/ ligamentum nuchae Insertion: scapula Action: movement of limb Innervation: cervical & thoracic spinal nerve
50
Rhomboideus capitis
Origin: neck & occipital bone Insertion: scapula Action: movement of limb Innervation: cervical & thoracic spinal nerve
51
Rhomboideus thoracis
Origin: 4th to 7th thoracic vertebra Insertion: scapula Action: movement of limb Innervation: cervical & thoracic spinal nerve
52
Serratus dorsalis cranialis
Origin: thoracolumbar fascia & thoracic vertebrae Insertion: ribs 2-10 Action: lifts the rib for inspiration Innervation: intercostal nerve
53
What are the erector spinae muscles - iliocostalis muscle?
Iliocostalis lumborum Iliocostalis thoracis Iliocostalis cervicis
53
Serratus dorsalis caudalis
Origin: thoracolumbar fascia Insertion: 11th, 12th, & 13th rib Action: draws the last 3 to 4 ribs caudally Innervation: intercostal nerve
54
Iliocostalis lumborum
Origin: os coxae Insertion: 10th to 13th rib Action: fixation of vertebral column Innervation: thoracic & lumbar nerve
55
Iliocostalis thoracis
Origin: illiocostalis lumborum Insertion: ribs Action: pulls the ribs caudally Innervation: thoracic and lumbar nerve
56
Iliocostalis cervicis
Origin: Insertion: Action: Innervation:
57
Longissimus cervicis
Origin: longissimus thoracis Insertion: ilium Action: extend the neck Innervation: thoracic nerve
57
What are the erector spinae muscles - longgissimus muscle?
Longissimus thoracis et lumborum Longissimus cervicis Longissimus capitis Longissimus atlantis
58
Longissimus thoracis et lumborum
Origin: thoracic and lumbar vertebra and ribs Insertion: ilium to cervical vertebra Action: extend the vertebral column Innervation: thoracic and lumbar nerve
59
Longissimus capitis
Origin: Insertion: Action: Innervation:
60
Longissimus atlantis
Origin: Insertion: Action: Innervation:
61
What are the erector spinae muscles - spinalis muscles?
Spinalis thoracis Spinalis cervicis
62
Spinalis thoracis
Origin: thoracic vertebrae Insertion: thoracic vertebrae Action: fixation of thoracic vertebrae and extend the neck Innervation: cervical and thoracic spinal nerve
63
Spinalis cervicis
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
What are the transversospinalis muscle?
Semispinalis thoracis Semispinalis cervicis Semispinalis capitis Biventer cervicis Complexus Multifidus Rotatores
65
Semispinalis thoracis
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
Semispinalis cervicis
Origin: semispinalis thoracis Insertion: C2 to C3 Action: Fixation of thoracic vertebrae and extend the neck Innervation: Cervical and thoracic spinal nerve
66
Semispinalis capitis
Origin: Semispinalis thoracis and cervicis Insertion: occiput Action: fixation of thoracic vertebrae and extend the neck Innervation: cervical spinal nerve
67
Biventer cervicis
Origin: Thoracic vertebrae Insertion: occipital bone Action: raises the head and neck Innervation: cervical and thoracic spinal nerve
68
Complexus
Origin: Biventer cervicis muscle Insertion: T1 to T3 Action: extend the head and neck Innervation: cervical spinal nerve
69
Rotatores
Origin: thoracic vertebrae Insertion: thoracic vertebrae Action: rotation of thoracic vertebral column Innervation: thoracic spinal nerve
70
Multifidus
Origin: Sacrum to C2 Insertion: C7 to T8 Action: Fixation of the vertebral column Innervation: thoracic spinal nerve
70
Interspinales
Origin: vertebra Insertion: vertebra Action: fixation of vertebral column Innervation: spinal nerves
71
What are the interspinal muscles?
Interspinales
72
What are the intertransversarii muscles?
Intertransversarii muscles (Thoracis, dorsalis cervicis, medii cervicis)
73
What are the muscles of the thoracic wall?
Intercostales externi Levatores costarum Intercostales interni Subcostales Rectus thoracis Retractor costae Transversus thoracis
73
Intertransversarii muscles (Thoracis, dorsalis cervicis, medii cervicis)
Origin: Transverse process of vertebra Insertion: Transverse process of vertebra Action: lateral flexion & stabilization of spine Innervation: spinal nerves
74
Levatores costarum
Origin: T1-T12 Insertion: rib Action: inspiration Innervation: intercostal nerve
75
Intercostales externi
Origin: Caudal border of rib Insertion: cranial border of rib Action: Innervation: intercostal nerve
76
Intercostales interni
Origin: cranial border of rib Insertion: caudal border of rib Action: Innervation: intercostal nerve
77
Subcostales
Origin: rib 9 to 11 Insertion: ribs Action: draw the ribs together Innervation: intercostal nerve
78
Rectus thoracis
Origin: 1st rib Insertion: rib 2-4 Action: expiration Innervation: intercostal nerve
79
Transversus thoracis
Origin: sternum Insertion: sternum Action: expiration Innervation: intercostal nerve
79
Retractor costae
Origin: Insertion: Action: expiration Innervation: intercostal nerve
80
What are the muscles of the abdominal wall?
Obliquus abdominis externus Obliquus abdominis internus Transversus abdominis Rectus abdominis Cutaneous trunci Preputialis Supramammaricus
81
Obliquus abdominis externus
Origin: last few pairs of rib Insertion: abdominal wall Action: expiration; urination; parturition Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve
82
Obliquus abdominis internus
Origin: last 2 ribs and tuber coxae Insertion: obliquus abdominis externus Action: expiration; urination; parturition Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve
83
Transversus abdominis
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
Rectus abdominis
Origin: linea alba Insertion: costal cartilage to pecten of pubis Action: expiration; urination; parturition Innervation: thoracic spinal and iliohypogastric and ilioinguinalis nerve
85
Cutaneous trunci
Origin: gluteal area Insertion: axillary region Action: protective mechanism/ reflex Innervation: cervical and thoracic spinal nerve
86
Preputialis
Origin: Insertion: Action: Innervation:
87
Supramammaricus
Origin: Insertion: Action: Innervation:
88
What are the muscles of the tail - levator ani?
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
Sacrocaudalis dorsalis lateralis
Origin: Sacrum Insertion: caudal vertebrae Action: levator of tail Innervation: sacral and caudal nerve
90
Sacrocaudalis dorsalis medialis
Origin: Sacrum Insertion: caudal vertebrae Action: levator of tail Innervation: sacral and caudal nerve
91
Sacrocaudalis ventralis medialis
Origin: Sacrum Insertion: caudal vertebrae Action: depressor of tail Innervation: sacral and caudal nerve
92
Sacrocaudalis ventralis lateralis
Origin: Sacrum Insertion: caudal vertebrae Action: depressor of tail Innervation: sacral and caudal nerve
93
Intertransversarius dorsales caudae
Origin: caudal vertebrae Insertion: caudal vertebrae Action: draws tail sideways Innervation: sacral and caudal nerve
94
Intertransversarius vetnralis caudae
Origin: caudal vertebrae Insertion: caudal vertebrae Action: draws tail sideways Innervation: sacral and caudal nerve
95
Pubocaudalis
Origin: Insertion: Action: Innervation:
95
Coccygeus
Origin: ischiatic spine and sacrotuberal ligament Insertion: caudal vertebrae Action: draws tail sideways Innervation: sacral and caudal nerve
95
Levator ani
Origin: ilium and pelvis Insertion: caudal vertebrae Action: depressor of the tail Innervation: sacral and caudal nerve
95
Retractor penis/ Clitoridis
Origin: caudal vertebrae Insertion: paranal sinus Action: retracts the penis or clitoris Innervation: perineal nerve
95
Iliocaudalis
Origin: Insertion: Action: Innervation:
96
Sphincter ani externus
Origin: anus Insertion: caudal vertebra Action: aid in defection Innervation: pelvic plexus
96
Rectococcygeus
Origin: rectum Insertion: rectum Action: aid in defecation Innervation: pelvic plexus
96
Sphincter ani internus
Origin: pubic bone Insertion: internal obturator Action: aid in defecation Innervation: pelvic plexus
97
Orbitales
Origin: Medial palpebral ligament/ maxilla Insertion: lateral palpebral raphe Action: close eyelid Innervation: cranial nerve VII
98
Occipitalis
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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