THEORIES OF BLOOD FORMATION Flashcards
1
Q
States that one cell is where all blood cells come from
A
MONOPHYLETIC OR UNITARIAN THEORY
2
Q
STEM CELL OR PARENTS CELL IS HEMOCYTOBLAST, all types of blood cell
A
MONOPHYLETIC OR UNITARIAN THEORY
3
Q
There are more than 1 source of Blood cells
A
POLYPHYLETIC THEORY
4
Q
States that there are 2 stem cells; one is for giving rise to LYMPHOCYTES and another giving rise to other MYELOID ELEMENTS
A
DUALISTIC POLYPHYLETIC THEORY
5
Q
Most widely accepted theory
A
MONOPHYLETIC OR UNITARIAN THEORY
6
Q
3 stem cells; one is for giving rise to LYMPHOCYTES and another giving rise to other MYELOID ELEMENTS and last id for monocytes
A
TRIALISTIC POLYPHYLETIC THEORY
7
Q
States that there is not 1, 2, or 3 stem cells, BUT there are stem cells for EACH TYPE of blood cells
A
COMPLETE THEORY
