stadiul de inima tubulara Flashcards

1
Q

primordiul inimii

A

tub endotelial (endocardic )
acoperit de mezenchim splanhnic (viitor miocard )
intre ele se afla strat subendocardic

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2
Q

mezoard ventral

A

leaga primordiul cardiac de perete ventral

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3
Q

mezocard dorsal

A

leaga primordiul cardiac de intestinul primitiv cefalic

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4
Q

tubul cardiac prezinta , in sens cranio caudal

A

sinus venos
atriu primitiv
ventricul primitiv
bulbul inimii
trunchi arterial

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5
Q

sinus venos

A

grosimea sept transvers
la el se racordeaza vene viteline, ombilicale si cardinale comune prin care sangele patrunde in cordul tubular
strm sinoatriala - intre sinus venos si atriu primitiv - 2 pernite endocardice (dr stg)

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6
Q

rolul stramtorii sinoatriale

A

nu permite intoarcerea sangelui in sistola atriala

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7
Q

atriul primitiv

A

intre atriu primitiv si ventricul primitiv
prezinta stramtoarea av ce contine elem canal av
2 pernite endocardice - ant post

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8
Q

ventricul primitiv

A

str bulbo-ventrala (a lui Haller)

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9
Q

trunchi arterial

A

se largeste cranial formand sacul aortic

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10
Q

sacul aortic

A

originea acr aortic
curgere in sens eferent

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