perioada fetala Flashcards

1
Q

perioada

A

s9-s38 de la fertilizare
s11-s4- de gestatie

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2
Q

ritmul de crestere

A

in lungime- accentuat in L3 SI L4
cap - 1/2 din lung totala a corpului la inceputul per fetale, in L5 = 1/3, in L10=1/4
mb inf mai scurte , mb sup proportionate

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3
Q

perioada fetala timpurie

A

s9-s12/13
dispare coada
se dif organele gentale ext, falus =>penis/clitoris, labii mari, tubercul scrotal,
se form canal anal si anus

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4
Q

perioada fetala definitiva

A

crestere accentuata pana in L4
in L5 sist de organe fucntionale - exceptie SNC si respirator
pielea devine neteda dat depunerii de grasime subcutanata

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5
Q

supravietuirea devine posibila

A

dupa L7, deoarce plamanii se maturizeaza
alveolele pulmonare secreta surfactand care scade tensiunea superficiala si previne atelectazia lor

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6
Q

descensus testis

A

L6- testis in orif intern al canal inghinal
L7 canal inghinal
L8 orif ext canal inghinal
L9 scrot

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