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GAS > pharynx > Flashcards

pharynx Flashcards

1
Q

nasal pharynx ?

A

sensory=V2
pos nasal conchae
sup: soft palate

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2
Q

oral pharynx

A

pos to oral cavity and inf to soft palate

CN 9=Sensory

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3
Q

laryngeal pharynx

A

sup margin of epiglottis to top of esophagus at C6

Sensory = CN10

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4
Q

Margins : sup, pos, and and lat

A

sup: base of skull
pos : pharyngeal raphe
ant and lat : pterygoid plate , pterygomandibular raphe and mandible

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5
Q

muscles of pharynx ?

A

constrictors,

3 longitudinal: stylopharyngeus, salpingopharyngeus, palatopharyngeus

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6
Q

constrictor

A

sup, mid and inf pharyngeal constrictors
CN110
propel food down to esophagus

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7
Q

stylopharyngeus innervation

A

CN9 (SVE)

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8
Q

salpingopharyngeus

A

orginates in pharygotympanic tube (salpinx)
CN10
Elevates larynx and pharynx during swallowing

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9
Q

palatopharyngeus

A

tenses soft palate

CN10

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10
Q

longitusinal m of pharynx

A

elevate pharyngeal wa1l during swallowing

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11
Q

pharyngeal tonsils

A

mid roof od nasopharynx

enlarged= adenoids

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12
Q

tubal tonsils

A

opening of auditory tube

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13
Q

palatine tonsils

A

b/w palatoglossal abd pharyngeal folds

bleeding in tonsilectomy is from ext palatine vein or tonsilar a,

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14
Q

lingual tonsils ?

A

root of tongue

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15
Q

arteries of the pharynx

A
  1. ascending pharyngeal and tonsilar arteries of the CN7
  2. Numerous branches of max and lingual a
  3. sup and inf laryngeal a (lower)
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16
Q

veins of pharynx drain ?

A

superiorly in the pterygoid plexus of veins and inf ino facial and inf jugular v

17
Q

buccopharyngeal facsia

A

coats outside of muscular wall and part of pretracheal fascia
separates primitive mouth and pharynx

18
Q

pharyngobasilar

A

lines inner surface

19
Q

mucous membrane

A

coats internal pharynx

20
Q

SVE

A

Branches of the pharyngeal branch of CN X which supply the skeletal muscle of the pharynx

21
Q

GVE Parasym.

A

Parasympathetic, branches of pharyngeal branch of CN X

which supply mucous glands of the pharynx

22
Q

GVE Sympathetic

A

Sympathetic branches of cervical ganglia which cause

vasoconstriction

23
Q

GVA

A

CN IX. Sensory from most of the pharynx, palatine tonsil and pharyngotympanic tube.

24
Q

GSA

A

Proximal portion of nasal pharynx is supplied by pharyngeal branch of V2.

GAS (11 decks)

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