INTRAUTERINE HEMATOPOIESIS Flashcards
1
Q
Begins @ 19th day of gestation
A
Mesoblastic (yolk sac) phase
2
Q
1st cell formed in mesoblastic phase
A
Primitive Nucleated Erythroblast
3
Q
Embryonic hgbs produced in mesoblastic phase
A
Gower I & II, Portland
4
Q
Begins @ 6wks of gestation
A
Hepatic phase
5
Q
RBCs, granulocytes, monocytes, & megakaryocytes are produced
A
Hepatic phase
6
Q
hgb/s produced in hepatic phase
A
Alpha & gamma globin chain production (HbF)
7
Q
Begins @ 5th month of gestation
A
Myeloid (Medullary) phase
8
Q
BM produces mainly ______ in hepatic phase
A
granulocytes
9
Q
6th months of age gamma-beta globin chain switch happens in
A
Myeloid (Medullary) phase
