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MSMHA Gross Anatomy: Unit 2 > Unit 2 VHD > Flashcards

Unit 2 VHD Flashcards

1
Q

ID Structure in Pink

A

Longus Colli

O: transverse processes of C3-C7 and anterior bodies of T1-T3

I: anterior arch of atlas and bodies of C2-C4

Unilateral action: lateral flexion & rotation of cervical spine to opposite side

Bilateral action: flexion of cervical spine

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2
Q

ID Structure in White

A

C2 vertebra, axis

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3
Q

ID Structures in Dark Blue

A

Superficial Temporal Veins

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4
Q

ID Structure in Dark Blue

A

Transverse Sinus

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5
Q

ID Structure in Bright Pink

A

Posterior Belly of Digastric Muscle

O: Mastoid Notch of Temporal Bone

I: Intermediate tendon to body and greater horn of hyoid bone

Innervation: Digastric branch of facial n. (CN VII)

A: elevates and steadies hyoid during swallowing and speaking;

depresses mandible against resistance

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6
Q

ID Structure between the arrows

A

Epiglottis

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7
Q

ID Space

A

Cavity of Oropharynx

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8
Q

ID Structure

A

Hyoglossus m.

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9
Q

ID Vessel

A

Internal Carotid Artery

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10
Q

ID Structure in Bright Pink

A

Posterior Belly of Digastric

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11
Q

ID Structure

A

Inferior Head of Lateral Pterygoid Muscle

O: Lateral surface of lateral pterygoid plate

I: Pterygoid fovea

A: Bilateral contraction: Depress and protract mandible (open mouth)

Unilateral: lateral movements (grinding)

N: Nerve to lateral pterygoid (V3)

B: Lateral pterygoid a.

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12
Q

ID Structure

A

Medial Pterygoid Muscle

ATTACHMENTS:

  • Superficial head: Infratemporal surface of maxilla to inferior, medial surface of ramus and angle of mandible
  • Deep head: Medial surface of lateral pterygoid plate and pyramidal process of palatine bone to inferior, medial surface of ramus and angle of mandible

ACTION:

  • Bilateral contraction: elevate mandible (close mouth)
  • Unilateral: small grinding movements

INNERVATION: N. to medial pterygoid (V3)

BLOOD SUPPLY: Medial pterygoid a.

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13
Q

ID Structure in Bright Pink

A

Palatopharyngeus

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14
Q

ID Structure in Bright Pink

A

Superior Oblique m.

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15
Q

List the four muscles of mastication as they appear in the body from medial to lateral.

A

Medial pterygoid –> Lateral pterygoid –> Temporalis (very inferior part) –> Masseter

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16
Q

ID Structure in Bright Pink

A

Sternohyoid m.

17
Q

ID Structure in Bright Pink

A

Cricothyroid m.

18
Q

ID Structure in Bright Pink

(hint: the two lavender structures bounding it are cartilages)

A

Thyro-arytenoid m.

MSMHA Gross Anatomy: Unit 2 (2 decks)

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