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VETA 101 > Doc Ariel Muscular system - summarized > Flashcards

Doc Ariel Muscular system - summarized Flashcards

1
Q

Muscle

A

Tissue responsible for movement and locomotion.

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2
Q

Innervation

A

Nerve supply that stimulates muscle contraction.

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3
Q

Origin

A

Proximal muscle attachment; least movable part.

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4
Q

Insertion

A

Distal muscle attachment; most movable part.

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5
Q

Tendon

A

Connective tissue attaching muscle to bone.

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6
Q

Aponeurosis

A

Flat tissue connecting muscle to muscle or bone.

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7
Q

Ligament

A

Connective tissue connecting bone to bone.

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8
Q

Dense Regular Fibrous Connective Tissue

A

Tissue type forming tendons and ligaments.

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9
Q

Extrinsic Muscles

A

Muscles originating outside a body part.

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10
Q

Intrinsic Muscles

A

Muscles originating within a body part.

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11
Q

Epaxial Muscles

A

Muscles located above the vertebral column.

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12
Q

Hypaxial Muscles

A

Muscles located below the vertebral column.

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13
Q

Superficial Pectoral

A

Extrinsic muscle of the thoracic limb.

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14
Q

Deep Pectoral

A

Also known as ascending pectoral muscle.

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15
Q

Brachiocephalicus

A

Muscle connecting forelimb to head.

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16
Q

Omotransversarius

A

Muscle connecting shoulder to neck.

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17
Q

Trapezius

A

Muscle that stabilizes and moves scapula.

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18
Q

Rhomboideus

A

Muscle that retracts the scapula.

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19
Q

Latissimus Dorsi

A

Muscle that extends and adducts the forelimb.

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20
Q

Serratus Ventralis

A

Muscle that supports the scapula.

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21
Q

Sternocephalicus

A

Muscle connecting sternum to head.

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22
Q

Action

A

Muscle function or movement produced.

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23
Q

Brachial plexus

A

Nerve network from C6-T2 spinal nerves.

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24
Q

Cranial pectoral nerve

A

Innervates superficial pectoral muscle (C7, C8).

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25
Q

Caudal pectoral nerve

A

Innervates deep pectoral muscle (C8, T1).

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26
Q

Thoracodorsal nerve

A

Innervates latissimus dorsi muscle (C7, C8, T1).

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27
Q

Long thoracic nerve

A

Innervates serratus ventralis muscle (C7).

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28
Q

Lateral thoracic nerve

A

Innervates cutaneous trunci muscle (C8, T1).

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29
Q

Suprascapular nerve

A

Innervates supraspinatus and infraspinatus (C6, C7).

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30
Q

Subscapular nerve

A

Innervates subscapularis muscle (C6, C7).

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31
Q

Axillary nerve

A

Innervates deltoideus and teres minor (C7, C8).

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32
Q

Musculocutaneous nerve

A

Innervates biceps brachii and brachialis (C6, C7, C8).

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33
Q

Radial nerve

A

Innervates extensors of forearm (C7-T2).

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34
Q

Ulnar nerve

A

Innervates flexors of forearm (C8-T2).

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35
Q

Median nerve

A

Innervates flexor muscles of forearm (C8-T2).

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36
Q

Deltoideus muscle

A

Shoulder muscle innervated by axillary nerve.

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37
Q

Biceps brachii

A

Cranial arm muscle innervated by musculocutaneous nerve.

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38
Q

Triceps brachii

A

Caudal arm muscle innervated by radial nerve.

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39
Q

Extensor carpi radialis

A

Forearm extensor innervated by radial nerve.

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40
Q

Flexor carpi radialis

A

Forearm flexor innervated by median nerve.

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41
Q

Tensor fasciae antebrachii

A

Innervated by radial nerve, aids in forearm extension.

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42
Q

Interosseous muscles

A

Muscles located between metacarpal bones.

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43
Q

Pronation

A

Rotation of forearm, palm down.

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44
Q

Supination

A

Rotation of forearm, palm up.

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45
Q

Cutaneous innervation zones

A

Areas of skin innervated by specific nerves.

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46
Q

Lumbar plexus

A

Nerve roots L1 to L4, innervates pelvic region.

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47
Q

Lumbosacral trunk

A

Nerve roots L6, L7, S1, S2, connects lumbar and sacral plexuses.

48
Q

Cranial gluteal nerve

A

L6, L7, S1; innervates gluteal muscles.

49
Q

Caudal gluteal nerve

A

L7, S1, S2; innervates superficial gluteus.

50
Q

Sciatic nerve

A

L6, L7, S1, S2; innervates hamstring muscles.

51
Q

Common peroneal nerve

A

L6, L7; innervates muscles of the cranial leg.

52
Q

Superficial peroneal nerve

A

Branch of common peroneal; innervates lateral leg.

53
Q

Deep peroneal nerve

A

Branch of common peroneal; innervates anterior leg.

54
Q

Tibial nerve

A

L7, S1; innervates muscles caudal to tibia.

55
Q

Obturator nerve

A

L4, L5, L6; innervates adductor muscles.

56
Q

Femoral nerve

A

L4, L5, L6; innervates quadriceps femoris.

57
Q

Middle gluteus

A

Innervated by cranial gluteal nerve.

58
Q

Tensor fasciae latae

A

Innervated by cranial gluteal nerve.

59
Q

Biceps femoris

A

Innervated by sciatic nerve.

60
Q

Semitendinosus

A

Innervated by sciatic nerve.

61
Q

Semimembranosus

A

Innervated by sciatic nerve.

62
Q

Pectineus

A

Innervated by obturator nerve.

63
Q

Adductor muscle

A

Innervated by obturator nerve.

64
Q

Quadratus femoris

A

Innervated by sciatic nerve.

65
Q

Long digital extensor

A

Innervated by peroneal/fibular nerve.

66
Q

Gastrocnemius muscle

A

Innervated by tibial nerve.

67
Q

Epaxial muscles

A

Dorsal to vertebrae; extend vertebral column.

68
Q

Hypaxial muscles

A

Ventral to vertebrae; involved in flexion.

69
Q

Retractor costae

A

Muscle involved in rib cage movement.

70
Q

Transversus thoracis

A

Muscle aiding in rib cage stability.

71
Q

Serratus dorsalis cranialis

A

Inspiratory muscle aiding in rib elevation.

72
Q

External intercostal

A

Muscle elevating ribs during inspiration.

73
Q

Scalenus

A

Muscle assisting in rib elevation.

74
Q

Levatores costarum

A

Muscles elevating ribs during inspiration.

75
Q

Rectus thoracis

A

Muscle stabilizing rib cage during breathing.

76
Q

Diaphragm

A

Primary muscle for inspiration, lowers during contraction.

77
Q

Serratus ventralis

A

Muscle supporting rib cage structure.

78
Q

Internal intercostals

A

Muscles contracting during expiration to lower ribs.

79
Q

Abdominal muscles

A

Muscles aiding in forced expiration.

80
Q

Facial muscles

A

Muscles responsible for facial expressions.

81
Q

Facial nerve (CN7)

A

Innervates facial muscles for motor functions.

82
Q

Oculomotor nerve (CN3)

A

Innervates levator palpebrae superioris muscle.

83
Q

Orbicularis oculi

A

Muscle that closes the eyelid.

84
Q

Masseter

A

Powerful muscle for closing the mouth.

85
Q

Temporalis

A

Muscle primarily used for closing the mouth.

86
Q

Pterygoideus

A

Muscle involved in mouth closure and movement.

87
Q

Digastricus

A

Muscle with two bellies for mouth opening.

88
Q

Hypoglossal nerve (CN12)

A

Innervates tongue muscles for movement.

89
Q

Cricopharyngeus

A

Constrictor muscle innervated by Vagus nerve.

90
Q

Tensor veli palatini

A

Muscle of the soft palate aiding swallowing.

91
Q

Mandibular nerve

A

Branch of Trigeminal nerve (CN 5)

92
Q

Laryngeal muscles

A

Muscles controlling the larynx’s function

93
Q

Extrinsic laryngeal muscles

A

Muscles outside the larynx affecting its position

94
Q

Sternothyroideus

A

Extrinsic muscle lowering the larynx

95
Q

Thyrohyoideus

A

Extrinsic muscle elevating the larynx

96
Q

Intrinsic laryngeal muscles

A

Muscles within the larynx controlling airflow

97
Q

Cricoarytenoideus dorsalis

A

Opens glottis via arytenoid abduction

98
Q

Cricoarytenoideus lateralis

A

Constricts glottis during swallowing

99
Q

Thyroarytenoideus

A

Muscle constricting the glottis

100
Q

Vocalis

A

Modulates tension of vocal cords

101
Q

Ventricularis

A

Constricts glottis, aids in phonation

102
Q

Arytenoideus transversus

A

Unpaired muscle constricting the glottis

103
Q

Hyoepiglotticus

A

Constricts glottis, connects hyoid to epiglottis

104
Q

Cricothyroideus

A

Only muscle innervated by CN 10’s superior laryngeal nerve

105
Q

Caudal laryngeal nerve

A

Innervates most intrinsic laryngeal muscles

106
Q

Neck muscles

A

Muscles supporting head and neck movement

107
Q

Rectus capitis muscles

A

Muscles controlling head position

108
Q

Splenius

A

Muscle aiding balance during movement

109
Q

Longus capitis

A

Inserts on basioccipital bone

110
Q

Longus colli

A

Enters thoracic inlet, stabilizes neck

111
Q

Extraocular muscles

A

Muscles controlling eye movement

112
Q

Oculomotor nerve

A

Innervates most extraocular eye muscles

113
Q

Abducent nerve

A

Innervates lateral rectus muscle of eye

114
Q

Trochlear nerve

A

Innervates dorsal oblique muscle of eye

115
Q

Strabismus

A

Disorder causing misalignment of eyes

VETA 101 (13 decks)

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