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Embryology > Pharyngeal Apparatus > Flashcards

Pharyngeal Apparatus Flashcards

1
Q

what artery is affiliated with the first pharyngeal arch?

A

first aortic artery

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2
Q

what muscles are affiliated with the first pharyngeal arch?

A 
My Ass Meets The Toilet (V3 motor);
Mylohyoid
Anterior digastric
Muscles of Masstication (**Masseter, Temporalis mainly)
Tensor Tympani
Tensor veli palatini
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3
Q

what does the 3rd cleft give rise to?

A

incorporated into cervical sinus and obliterated with neck development

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4
Q

what is the skeletal/cartilaginous material affiliated with the first pharyngeal arch?

A

Meckel’s = incus and malleus by EO, sphenomandibular ligament

IO: Maxilla mandible palatine zygomatic arch + part of temportal

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5
Q

what is the skeletal/cartilaginous material affiliated with the second pharyngeal arch?

A

Reichert’s = (all EO): stapes, styloid process, stylohyoid ligament, LESSER horn + UPPER body of hyoid

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6
Q

where would a cervical sinus cyst be found?

A

LATERAL neck

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7
Q

what does the first pharyngeal cleft give rise to?

A

External Acoustic Meatus

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8
Q

what does the first pharyngeal pouch give rise to?

A

tubotympanic recess = tympanic cavity

Auditory Tube

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9
Q

What is the name of the second arch?

A

Hyoid arch

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10
Q

what artery is affiliated with the second arch?

A

second aortic artery

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11
Q

what nerve is affiliated with the first pharyngeal arch?

A

Maxillary + Mandibular divsions of trigeminal (V2 + V3).. V2 for sensory

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12
Q

what is the first arch called? what are it’s divisions?

A

Mandibular arch; divided into maxillary and mandibular prominence

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13
Q

what nerve is affiliated with the second pharyngeal arch?

A

Facial (VII)

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14
Q

what does the 4th/6th cleft give rise to?

A

incorporated into cervical sinus and obliterated with neck development

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15
Q

what muscles are affiliated with the second pharyngeal arch?

A 
muscles innervated by VII: FSPSP (but not platysmus)
F: muscles of Facial expression
S: Stapedius
P:Posterior digastric
S: sytlohyoid
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16
Q

where would a thryoglossal cyst be found?

A

MEDIAL neck

17
Q

what does the 2nd pharyngeal pouch give rise to?

A

tonsillar cleft for palatine tonsil

18
Q

what artery is affiliated with the 3rd pharyngeal arch?

A

third aortic artery

19
Q

what does the 2nd cleft give rise to?

A

incorporated into cervical sinus and obliterated with neck development

20
Q

what muscles are affiliated with the third pharyngeal arch?

A

stylopharyngeus

21
Q

what muscles are affiliated with the fourth pharyngeal arch?

A

pharyngeal constrictors, intrinsic larynx muscles

22
Q

what muscles are affiliated with the sixth pharyngeal arch?

A

pharyngeal constrictors, intrinsic larynx muscles

23
Q

what artery is affiliated with the fourth pharyngeal arch?

A

fourth aortic artery

24
Q

what artery is affiliated with the sixth pharyngeal arch?

A

sixth aortic artery

25
Q

what is the skeletal/cartilaginous material affiliated with the third pharyngeal arch?

A

GREATER and LOWER body of the hyoid (think GLossopharyngeal nerve is affiliated with the third arch..)

26
Q

what is the skeletal/cartilaginous material affiliated with the fourth pharyngeal arch?

A

laryngeal cartilage

27
Q

what is the skeletal/cartilaginous material affiliated with the sixth pharyngeal arch?

A

laryngeal cartilage

28
Q

what nerve is affiliated with the third pharyngeal arch?

A

glossopharyngeal (IX)

29
Q

what nerve is affiliated with the fourth pharyngeal arch?

A

Superior laryngeal branch of X

30
Q

what nerve is affiliated with the sixth pharyngeal arch?

A

Recurrent laryngeal branch of X

31
Q

what does the 3rd pharyngeal pouch give rise to?

A

dorsal: INFERIOR parathyroid
ventral: thymus

32
Q

what does the 4th pharyngeal pouch give rise to?

A

dorsal: SUPERIOR parathyroid
ventral: ultimobranchial body = C cells (THYROID)

Embryology (16 decks)

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