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Set 1, Slide 85, Cross Section, Lightfield
Zea Linked Set

Zea

 

Root Linked Set

Root

 

A zea root sample is made up of two concentric rings. An outer ring part is called cortex, and the inner part is called pith. Several holes are found inside of the pith. These holes are speculated to be water pipes. A few of root hairs are found on the edge of the sample. Many nucleus are also found in the sample.

Pith

Image Data Description

400x
Most cells in the part of pith are circular, but some cells are polygonal. A few cells appear with their nucleus inside. However, most cells seem to be missing their cytoplasm.

400x
Cells that are located close to the cortex part are small and denser. Some cells seem to have cytoplasm in them.

Cortex

Image Data Description

400x
The cortex part, or outer part of the root, contains cells that are bigger than cells in the pith part. Also, more cells appear with their cytoplasm.

1000x
One nucleus appears with its nucleolus inside of it. Three white tiny dots are found on the nucleolus. These dots are speculated to be parts of the nucleolus.

Water Vessel

Image Data Description

400x
In the pith part, there are several holes which seem to be water pipes. The holes are surrounded by cells. The cell walls act as a border.

Root Hair

Image Data Description

400x
Some root hairs are found on the edge of the sample. These hairs are transparent and seem to have circular end.

400x
This hair seems to be connected with a cell. The hair seems to be darker and denser than two hairs shown in the picture above.
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