Development of the great vessels Flashcards
1
Q
What is vasculogenesis
A
formation of new vascular channels from mesoderm by assembly of individual cell precursors called angioblasts
2
Q
What is angiogenesis
A
development of blood vessels from pre existing vessels
3
Q
What is arteriogenesis
A
remodeling of existing arteries in response to changes
4
Q
When does vasculogenesis begin?
A
end of third week
5
Q
What does undifferentiated mesoderm give rise to?
A
hemangioblasts
6
Q
What does hemangioblasts give rise to?
A
hematopoeitic stem cells and endothelial precursors
7
Q
Where do the hematopoietic SCs form?
A
AGM