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Details

Lab01Pt3400
Muscles of Mastication
11
Anatomy
Undergraduate 3
09/17/2011

Additional Anatomy Flashcards

 


 

Cards

Term

Temporalis

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Definition

PA: Temporal Fossa and temporal fascia

DA: Coronoid process and anterior border of ramus of mandible

N: CNV3 trigeminal-mandibular via deep temporal branch

A: Elevates mandible closing jaws, posterior fibers are primary retractors at the mandible

Term
[image]Masseter
Definition

PA: inferior border and medial surface of maxillary process of zygomatic bone and zygomatic arch

DA: angle and lateral surgace of ramus of mandible

N: CN V3 Trigeminal- mandibular masseteric nerve

A: Elevates mandible closing jaws: protrusion of mandible

Term

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Medial Pterygoid

Definition

PA: medial surface of lateral pterygoid plate and pyramidal process of palatine bone and tuberosity of the maxilla

DA: medial surface of ramus mandible

N: CN V3 via medial pterygoid nerve

A: Elevates mandible, contributes to protrusion alternate unilateral activity - smaller grinding

Term
[image]Rectus Capitus Posterior Major
Definition

O: SP C2

I: Lateral aspect of inferior nuchal line

N: PR C1 ( suboccipital N.)

A: Extends head, ipsilateral rotation

Term

Rectus Capitus Posterior Minor

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Definition

O: Posterior tubercle of C1

I: Between superior and inferior nuchal lines

N: PR C1 (suboccipital nerve)

A: Extends head, ipsilateral rotation

Term
[image]Obliqus Capitus Posterior Superior
Definition

O: TP C1

I: Between superior and inferior nuchal line

N: PR C1 ( suboccipital n)

A: Extension and lateral flexion of the head

Term

Oblique Capitus Inferior

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Definition

O: SP C2

I: TP C1

N: PR C1 (suboccipital n)

A: Rotates atlas, turning head ipsilaterally

Term
[image]Sternocleidomastoid
Definition

PA: Mastoid process and lateral half of superior nuchal line

DA: Sternal head: Anterior surface of manubrium of sternum

Clavicular head: Superior surface of medial third of clavicle

N: CN XI: Spinal accessory n. (motor) and AR C2, C3 (pain and proprioception)

A: Bilaterally : Flexes the neck

Term

[image]Upper Trapezius

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Definition

PA: Medial third of superior nuchal line, external occipital protuberance, nuchal ligament, SP C7

DA: Lateral third of clavicle and acromion

N: CN XI: Spinal accessory nerve and VR C3, C4

A: Elevates, adducts, and upwardly rotates scapula

Term
Middle Trapezius[image]
Definition

PA: SP T1-5

DA: Medial margin of acromion and superior lip of spine of scapula

N: CN XI: Spinal accessory nerve and VR C3, C4

A: Adducts the scapula

Term
Lower Trapezius[image]
Definition

PA: SP T6- T12

DA: Tubercle at apex of spine of scapula

N: CN XI : Spinal accessory nerve and VR C3, C4

A: Depresses, adducts, and upwardly rotates scapula

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