Pharyngeal Apparatus Diagram Flashcards

1
Q

What are the skeletal derivatives from PA 1?

A

Meckel’s Cartilage:

  • Incus and malleolus
  • Mandible
  • Sphenomandibular Ligament
  • Anterior ligament of malleus
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2
Q

What are the muscular derivatives from PA 1?

A
Muscles of Mastication
Mylohyoid
Anterior Belly of digastric
Tensor Veli Palatini
Tensor Tympani
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3
Q

What CN is derived from PA 1?

A

CN V (Trigeminal)

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4
Q

What structures are derived from the pouch of PA 1?

A

Ear Structures

Tympanic Cavity
Mastoid Antrum
Pharyngotympanic Tube
Tympanic Membrane

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5
Q

What structure is derived from the groove of PA 1?

A

External Auditory Meatus

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6
Q

What structure is derived from the membrane of PA 1?

A

Tympanic Membrane

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7
Q

What are the skeletal derivatives from PA 2?

A
Reichert's Cartilage:
Stapes
Styloid Process of Temporal Bone
Stylohyoid Ligament
Lesser Cornu of Hyoid Body
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8
Q

What are the muscular derivatives from PA 2?

A

Facial Muscles
Stylohyoid
Posterior belly of digastric
stapedius

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9
Q

What CN is derived from PA 2?

A

CN VII (Facial)

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10
Q

What structures are derived from the pouch of PA 2?

A

Tonsillar Sinus

Tonsillar Lymphoid Tissue

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11
Q

What are the skeletal derivatives from PA 3?

A

Greater Cornu of Hyoid Body

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12
Q

What is the muscular derivative from PA 3?

A

Stylopharyngeus Muscle

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13
Q

What CN is derived from PA 3?

A

CN IX (Glossopharyngeal)

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14
Q

What structures are derived from the pouch of PA 3?

A

Inferior Parathyroid

Thymus

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15
Q

What are the skeletal derivatives from PA 4 only?

A

4/6 - Laryngeal cartilage

4 - Epiglottis

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16
Q

What are the skeletal derivatives from PA 4 and 6?

A

4/6 - Laryngeal Cartilage

4 - epiglottis

17
Q

What is the muscular derivative from PA 4?

A

Cricothryoid
Levator Veli Palatini
Constrictors fo Pharynx

18
Q

What CN is derived from PA 4?

What specific branch?

A
CN X (Vagus)
-Superior Laryngeal Branch
19
Q

What structures are derived from the pouch of PA 4?

A

Superior Parathyroid

Ultimobranchial body –> Thyroid Gland/Parafollicular Cells

20
Q

What is the muscular derivative from PA 6?

A

Intrinsic Layers of Larynx

21
Q

What CN is derived from PA 6?

What specific branch?

A
CN X (Vagus)
-Recurrent Laryngeal Branch