Laringe Flashcards

1
Q

functii

A

conduct aero-vector
organ fonator

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2
Q

localizare

A

reg ant-mediana a gatului
in dreptul ultimelor 4 vertebre cervicale
inaintea laringofaringelui
inapoia globulilor tiroidieni si a muschilor subhioidieni

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3
Q

baza

A

com cu larigno-faringe prin aditus laringian
ant- epiglota
post - cartilaje aritenoide
lat - pliuri epigloto-aritenoidiene
in grosimiea plicilor - cartilaje cuneiforme

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4
Q

varful

A

se continua in jos cu traheea

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5
Q

fetele ant-lat

A

cele 2 lame ale cartilajului cricoid si tiroid
intre se afla muschi si lig tirocricoidian
deasupra se afla mb tirohioidian a
raport cu gl tiroida si muschii infrahioidieni

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6
Q

fata post

A

form din cele 2 cartilaje aritenoide si lama cartilaj cricoid
santuri piriforme = santuri laringo-faringiene
sup - plica laringelui - mucoasa recesului ridicata de nervul laringeu superior
fata post - mucoasa faringelui , form din cartilaj corniculate,aritenoide,lama cart tiroid si lig crocotraheal

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7
Q

marg ant

A

=marul lui Adam
muchia unde se unesc cele 2 lame ale cart tiroid
rap cu istmul gl tiroide

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8
Q

marg post

A

marg post ale lamelor cart tiroid
rap cu artera carotida comuna , nerv vag si vena jugulara interna

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9
Q

cartilaje neperechi

A

tiroid
epiglota
cricoid

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10
Q

cartilaje perechi

A

aritenoide
corniculate
cuneiforme
sesamoide

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11
Q

din ce sunt formate cartilajele

A

cartilaj de tip hialin
EXCEPTIE ! epiglota - cartilaj hialin de tip elastic

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12
Q

epiglota

A

froma de frunza cu petiol in jos
sit inapoia cartilaj tiroid
de la baza epiglotei pleaca lig glosoepiglotice si lig hioepiglotic
varful legat de cartilaj tiroid prin ligament tireoepiglotic

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13
Q

cartilaj tiroid

A

forma de carte deschisa
2 lame unite pe linie mediana
inaintea epiglotei, sub hioid ,deasupra cricoidului
fata ant - ins m sternotiroidian si tirohioidian
fata post - sup - incizura tiroidiana
marg inf - arc cricoid , insertie m si lig tirocricoidian
marg post - se prelungesc cu coarne sup si inf (cele inf se art cu cartilaj cricoid)

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14
Q

cartilaj cricoid

A

forma de inel
intercalat intre tiroid si trahee
arc situat ant si lama
lama prez 2 supr art pt baza aritenoidelor si 2 spr inf pt coarne inf cartilaj tiroid

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15
Q

cartilaje aritenoide

A

forma de piramida triunghiulara
partea post a laringelui
desupra lamei cricoidului
3 fete
fata post - fata post laringe
fata med - priveste spre int laringe
fata lat - creasta arcuata
2 procese - muscular - muschi cricoaritenoidieni
proces vocal - plica vocala

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16
Q

cartilaje corniculate

A

la vafrul cartilajelor aritenoidiene

17
Q

cartilaje cuneiforme

A

plici ariteno-epiglotice

18
Q

cartilaje sesamoide

A

plici vocale

19
Q

muschii laringelui

A

striati
extrinseci si intrinseci

20
Q

muschi extrinseci

A

se insera cu un capat pe faringe si cu celalalt pe oragnele vecine
constrictor inf al faringelui -leaga cartilaje tiroid si cricoid de faringe
long sup al limbii - porneste de pe cartilaj epiglotic si patrunde in limba
palatofaringian - intra in valul palatin
stilofaringian - insertii inf pe cartilajr epiglotic,tiroid si cricoid
tirohioidian
sternotiroidian

21
Q

muschi extrinseci

A

se insera cu un capat pe faringe si cu celalalt pe oragnele vecine
constrictor inf al faringelui -leaga cartilaje tiroid si cricoid de faringe
long sup al limbii - porneste de pe cartilaj epiglotic si patrunde in limba
palatofaringian - intra in valul palatin
stilofaringian - insertii inf pe cartilajr epiglotic,tiroid si cricoid
tirohioidian
sternotiroidian

22
Q

muschii intrinseci

A

ambele capete inserate pe cartilaje ale laringelui
formeaza 3 grupe functionale
a - constrictori ai fantei glotice /adductori ai plicilor vocale
b - dilatatori ai fantei glotice abductori ai plicilor vocale
c- tensori ai plicilor vocale

23
Q

muschii constrictori ai fantei glotice

A

cricoaritenoidian
aritenoidian trnasvers
aritenoidian oblic
tiroaritenoidian
tiroepiglotic
ariepiglotic

24
Q

muschii dilatatori ai fantei glotice

A

cricoaritenoidian post - rol important in respiratie (paralizia lui face imposibila adductia corzilor vocale , fenomen insotit de dispnee sau chiar asfixie )

25
muschii tensori ai plicilor vocale
vocal - sit in plica vocala cricotiroidian - sit antlat de laringe
26
tunica mucoasa
epiteliu + corion continua mucoasa faringelui, se continua cu cea a traheei epiteliu cilindric ciliat la nivelul plici vocale - ep pluristratificat pavimentos gl care secreta mucus in corion-tesut limfoid - bogat la niv ventriculilor laringieni
27
submucoasa
tesut conj lax
28
confix interioara
3 etaje supraglotic = vestibulul laringelui glota infraglotic =cav infraglotica
29
glota
pereti lat - 2p de plici cu directie ant-post, plici sup = plici vestibulare intre plici - se delim fanta vestibulararima vestibulara plici inf = plici vocale/coarde vocale
30
intre plici vestibulare si vocale
ventriculii laringelui prez o prelungire = saculet laringian - plin cu aer care intervine in modelarea timbrului sunetului laringian
31
in timpul inspiratiei
plici vocale in abductie fanta glotica larg deschisa vizualizare cav infraglotica si primele inele traheale
32
in timpul fonatiei
plicile vocale sea ting prim mag lor libere fanta glotica - fisura liniara
33
vascularizatie
art tiroidiana sup - art laringiana sup art tiroidiana inf - art laringiana inf vena laringiana sup - vena jug int
34
limfaticele
grup sup - dren in noduri cervicale profunde grup ant-inf - limfa glotei si a port ant- inf , dreneaza in noduri limfatice traheale si nodul prelaringian (Engel) grup post-inf - in noduri limfatice traheale
35
inervatie
somatomotoare, somatosenzitiva si vegetativa nerg laringeu sup + inf+ vag
36
nerv laringeu sup
se bifurca la nivelul hioidului ram int -epiglota,vestibul laringian plica vestibulara - inerv senzitiva ram ext - ventricul,plica vocala si cav infraglotica - inerv senzitiva mucoasa laringelui si muschi tirocricoidian
37
nerv laringeu inf
nerv lar recurent ram musc ram comunicante cu laringeu sup = ansa lui Galen fibre senzitive dest laringe si port laringiene a faringelui fibre somatomotoare pt m intrinseci
38
fibre vegetative
fibre vegetative ,vasomotorii - postgg din gg cervicali sup si inf fibre vegetative secretorii - parasimpatice provin din laringeu sup si inf