INTRAUTERINE Hematopoiesis Flashcards
Begins at 19th day of gestation
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
B.Mesoblastic (yolk
Begins at 6 weeks of gestation
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
A. Hepatic phase (liver)
Alpha and gamma globin chain production (HbF- fetal hemoglobin)
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
A. Hepatic phase (liver)
**Embryonic hemoglobins (Gower I, Gower II, Portland)
**
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
B.Mesoblastic (yolk
sac) phase
**Primitive nucleated erythroblast (first cell produced) **
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
B.Mesoblastic (yolk
sac) phase
** Begins around of 5th month gestation **
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
C.Myeloid/Medula
Production of red blood cells, granulocytes, monocytes, andmegakaryocytes
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
A. Hepatic phase (liver)
Myeloid/Medullary
phase ratio
a. 3:1
b4:1
c.5:1
d.1:1
a and b
Bone marrow producing mainly granulocytes
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
C.Myeloid/Medula
6th months of age gamma-beta globin chain switch
A. Hepatic phase (liver)
B.Mesoblastic (yolk
sac) phase
C.Myeloid/Medula]
d. Intrauterine Hematopoiesis
C.Myeloid/Medula
Process of blood production; building up blood components
Hematopoeisis