Page 167 - Fundamentals of Light Microscopy and Electronic Imaging
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150 POLARIZATION MICROSCOPY
Borderd pits
(a)
Starch grains
(b)
50 m
Figure 9-7
Histological sections of plant tissues with birefringent objects. (a) Radial section of
pine wood containing cellulose walls and bordered pits. (b) Cross section of a
buttercup root, an herbaceous plant. The cortical cells are filled with starch gains.
(Specimen slides are from Carolina Biological Supply Company, Inc.)