Embriogeneza aparatului locomotor Flashcards

1
Q

scgeletul se formeaza din

A

mezenchim somitic si al lamelor laterale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

somitele apar

A

in jurul z20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

simtele se diferentiaza in

A

portiune antero-mediala =sclerotom
portiune post-med=dermatomiotom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Celulele sunt

A

mase de celule mezenchimatoase cu prelungiri bogate care al o retea, iar in ochiurile retelei se gaseste subst fundamentala

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Celulele sunt

A

mase de celule mezenchimatoase cu prelungiri bogate care al o retea, iar in ochiurile retelei se gaseste subst fundamentala

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

sclerotomii se diferentiaza in

A

fibroblaste conj
condroblaste cartil
osteoblaste os

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

subst fundamentala poate

A

ramane semifluida => tes conj fibroase
condensata=> tes cartilaginos
dura => tes osos prin impregnare cu saruri de calciu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

osificarea de mb / desmala

A

tes conj
formare oase scurte si late

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

osificarea de cartilaj/endocondrala

A

tes cartilaginos, se autodistruge treptat pt form tesut osos
caract frm oase lungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

osificarea se desf in 2 etape

A

etapa formativa - depunere de osteoblaste si formare centru preosos
etapa destructiva - osul primitv resorbit si inlocuit cu os functionar secundar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

etapa formativa

A

2 subetape
subetapa proteica - formare osteoblaste si oseina
subetapa mineralizarii - impregnare cu saruri de calciu si fosfor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

etapa destructiva

A

se realizeaza prin osteoclaste
sub act fortelor care modeleaza osul

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

formare tesut spongios

A

maturare osteocite => se unesc prin prelungiri => trabeculi in care se delimteaza spatii = areole in care capilarele isi perd endoteliul si devin spatii lacunare fara sange

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

rol tesut spongios

A

hematoformator
eritropoeza
leucopoeza
trombocitopoeza

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

pericondrul

A

mb conj-vasculara din jurul cartilajului
prin stratul sau profund formeaza lamele osoase dispuse concentric in jurul unor axe vasculare si nervoaseer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly