17. Blood Smear Interpretation:
A B C D
E F G H
I J
A. Normal
B. Micro/hypo
C. Macro
D. Target
E. Sphero
F. Heinz body
G. Schistocyte
H. nRBC
I. Polychrom
J. Teardrop
19. ““Seeing much, suffering muchSeeing much, suffering much
and studying much are theand studying much are the
three pillars of learning.”three pillars of learning.”
–Benjamin Disraeli
20. MOLECULAR PATHOLOGY :
Normal adult blood contain 3 types of Hb.
The major component is HbA - α2
ß2
.
The minor component fetal Hb (α2
γ2
) and Hb
A2 (α2
δ2
)
Structure & Synthesis of Haemoglobin:
Hb in adult Hb A Hb F Hb A2
Structure α2
ß 2
α2
γ2
α2
δ2
Normal % 96-98 0.5-0.8 1.5-3.2