Urechea - anato Flashcards

1
Q

Urechea externa

A
  • pavilion auricular = expansiune lamelara fibro-cartilaginoasa
  • conduct auditiv extern

⅓ lat → cartilaginoasa → foliculi pilosi + glande ceruminoase

⅔ med → osoasa

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2
Q

Urechea medie

A

trompa lui Eustachio

timpan

lant osicular (CNS - ciocan, nico, scarita)

mm scaritei si ciocanului

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3
Q

Urechea medie comunica cu o alta cavitate

A

cavitatea mastoidiana (in osul temporal → suita de celule aerate)

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4
Q

Ureche interna

A

cohlea

canale semicirculare

conduct auditiv intern

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5
Q

Urechea interna

A

Sediul sistemelor auditiv si vestibular

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6
Q

Organe senzoriale

A

3 tipuri:

Corti → cohlee

macula → utricula + sacula (M - US)

creste ampulare → canale semicirculare

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7
Q

Conductul auditiv intern este localizat

A

postero-medial

la nivelul osului temporal

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8
Q

Nervi ai conductului auditiv intern

A

VII → mm mimicii

VIII → reg cohleare + vestibulare

n intermediar

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9
Q

N. intermediar

A

fibre gustative gustative (limba)

fibre secreto-motorii PS (originea in tr. cerebral)

→ gl sublinguala

submandibulara

lacrimale

gl mucoase de la nivelul nas + palat

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10
Q

Origine aparenta n VII

A

sant bulbopontin

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11
Q

Traiect n facial

A
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12
Q

Inervatie n. facial

A

m scarita

m retroauricular

pantece posterior m digastric

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13
Q

Portiunea extratemporala n. facial patrunde in

A

gl parotida → inerveaza mm mimicii

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