Position of cambium in late spring Position of cambium during first growth in spring Position of cambium during winter dormancy Position of cambium in early summer, last year FIGURE 8-8 Six rows of wood cells are visible in this transverse section of a pine trunk. All cells of each row were produced by a single vascular cambium cell. hus, all of the wood visible in this micrograph was produced by just six cambium cells. The cells at the bottom of the picture were produced when the cambium cells were located at that site; similarly, the cells i the middle of the picture were produced when the cambium existed there, having been pushed outward by the production of the cells at the bottom of the picture (X150).

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Look at as shown. Vascular cambium is not present; it was located far above the top of the micrograph, but you can see there are six rows of wood cells. How many fusiform initials were involved in producing the wood visible in this figure? Look at all the cells in any particular row. Were all the cells of that row made by divisions of one fusiform initial or by many different fusiform initials?

Position of cambium
in late spring
Position of cambium
during first growth in
spring
Position of cambium
during winter dormancy
Position of cambium
in early summer, last
year
FIGURE 8-8 Six rows of wood cells are visible in this transverse section of a pine
trunk. All cells of each row were produced by a single vascular cambium cell. hus, all of
the wood visible in this micrograph was produced by just six cambium cells. The cells at
the bottom of the picture were produced when the cambium cells were located at that
site; similarly, the cells i the middle of the picture were produced when the cambium
existed there, having been pushed outward by the production of the cells at the bottom
of the picture (X150).
Transcribed Image Text:Position of cambium in late spring Position of cambium during first growth in spring Position of cambium during winter dormancy Position of cambium in early summer, last year FIGURE 8-8 Six rows of wood cells are visible in this transverse section of a pine trunk. All cells of each row were produced by a single vascular cambium cell. hus, all of the wood visible in this micrograph was produced by just six cambium cells. The cells at the bottom of the picture were produced when the cambium cells were located at that site; similarly, the cells i the middle of the picture were produced when the cambium existed there, having been pushed outward by the production of the cells at the bottom of the picture (X150).
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