Pharyngeal Apparatus Diagram Flashcards Preview

Year 1: 05. Neuro Exam 1 > Pharyngeal Apparatus Diagram > Flashcards

Flashcards in Pharyngeal Apparatus Diagram Deck (21)
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1

What are the skeletal derivatives from PA 1?

Meckel's Cartilage:
-Incus and malleolus
-Mandible
-Sphenomandibular Ligament

2

What are the muscular derivatives from PA 1?

Muscles of Mastication

3

What CN is derived from PA 1?

CN V (Trigeminal)

4

What structures are derived from the pouch of PA 1?

Tympanic Cavity
Mastoid Antrum
Pharyngotympanic Tube

5

What structure is derived from the groove of PA 1?

External Auditory Meatus

6

What structure is derived from the membrane of PA 1?

Tympanic Membrane

7

What are the skeletal derivatives from PA 2?

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

8

What are the muscular derivatives from PA 2?

Facial Muscles

9

What CN is derived from PA 2?

CN VII (Facial)

10

What structures are derived from the pouch of PA 2?

Tonsillar Sinus
Lymphoid Tissue

11

What are the skeletal derivatives from PA 3?

Greater Cornu of Hyoid Body

12

What is the muscular derivative from PA 3?

Stylopharyngeus Muscle

13

What CN is derived from PA 3?

CN IX (Glossopharyngeal)

14

What structures are derived from the pouch of PA 3?

Inferior Parathyroid
Thymus

15

What are the skeletal derivatives from PA 4 only?

Epiglottis

16

What are the skeletal derivatives from PA 4 and 6?

Laryngeal Cartilage

17

What is the muscular derivative from PA 4?

Cricothryoid
Levator Veli Palatini
Constrictors fo Pharynx

18

What CN is derived from PA 4?
What specific branch?

CN X (Vagus)
-Superior Laryngeal Branch

19

What structures are derived from the pouch of PA 4?

Superior Parathyroid
Ultimobranchial body --> Thyroid Gland/Parafollicular Cells

20

What is the muscular derivative from PA 6?

Intrinsic Layers of Larynx

21

What CN is derived from PA 6?
What specific branch?

CN X (Vagus)
-Recurrent Laryngeal Branch