Dezvoltarea pleurelor si a pericardului si diafragmului Flashcards

1
Q

dezvoltarea pericardului seros

A

cordul descinde intre foitele mezoesofagului ventral
il imparte in mezocard ant si post
mezocardurile se rezorb
cordul ramane suspendat prin pediculii sai sup si inf

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2
Q

foitele pericardului seros

A

foita viscerala (epicord) provine din mezenchim splanhnic
foita parietala prov din mezenchim parietal
intre se delim cav pericardica

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3
Q

pericard fibros

A

origine sept pleuropericardic
cresterea si unirea plicilor pleuropericardice
initial - plan frontal ,cordul se bombeaza , septul il inconjoara ,marginile se unesc pe linie mediana

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4
Q

dezvoltare pleure

A

post de sept pericardic
muguri pulm + mezenchim spanhnic = pleura viscerala
ped pulm + mezenchim somatic= pleura parietala

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5
Q

recesurile pleurale

A

costomediastinale = alungirea spre ant (ant de cord)
costodiafragmatice = alungire spre inf ,se cliveaza
lat - perete toracic
medial - sept transvers

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6
Q

dezv diafragma ant

A

sept transvers , origine mezenchim cardiodiafragmatic
ant - proem cardiaca
post - duct vtelin
cav pericardica sup
canale pleuroperitoneale 2 lat
cav peritoneala inf

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7
Q

evolutia sept transvers

A

da nastere sup diafragmei si inf ficat
stomac legat prin mezogastru ventral
ficatul coboara si imparte in ant= lig falciform si post = lig gastrohepatic(oment mic )

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8
Q

dezv diafragma post

A

plici pleuropericardice
canale urogenitale
mezoesofag dorsal

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