Evenimente morfogentice in perioada embrionara Flashcards

1
Q

perioada embrinara

A

S 3-8

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2
Q

organizare mezoderm intramebrionar

A

paralel cu form sant neural
s3
se divide in 3 part
mezoderm paraaxial, intermediar, lateral

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3
Q

mezodermul paraaxial

A

ingrosari longitudinale paralele
se vor segementa = > SOMITELE

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4
Q

mezodermul intermediar

A

form pediculii somitelor
dispus intre mez paraaxial si cel lateral

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5
Q

mezodermul lateral

A

nesegmentat
se divde in 2 lame
somatopleura
splanhnopleura

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6
Q

celomul intramebrionar

A

cavitate situata intre lamele mezo lateral

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7
Q

segmentare mezoderm paraaxial

A

incepand cu ziua 20
se segm succesiv,metameric

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8
Q

cum apar somitele

A

succesiv, craniocaudal
nr somite= varsta embrionului
in s3- 5 apar cate 3 somite pe zi
la sf s5 - 42-44 perechi somite

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9
Q

gruparea somitelor pe regiuni

A

occipitala 4p
cervicala 8p
toracica 12p
lombara 5p
sacrala 5p
coccigiana 8-10p

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10
Q

miocel

A

cavitate a smitelor
se oblitereaza repede
materialul celular se diferentiaza miotoame
dermatoame, sclerotoame

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