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Root Lecture

Root Structure

The Root Apex

This is where the root grows.

 

The Root Cap

To reduce friction from growth in soil

The root cap secretes mucilage

The root cap sloughs cells

The Zone of Mitosis

Makes new cells by Mitosis

Meristematic Cells Divide by Mitosis

Table of Mitosis

The Zone of Elongation

Cells Grow in Size

Vacuole Appears and Grows

Mature Organelles are Produced


Parenchyma Cells = Typical Cells


Parenchyma next to Sclerenchyma

Sclerenchyma Cells = Hard Cell Wall

Cells Grow

Cells Make Heavy Wall with Lignin

Cells Die

Hollow Walls are Good Support, Good Conductor


Zone of Maturation

Cells Become Different

Cells Mature

Root Hairs Visible

Root Hairs

Increase Surface Area

Improve Mineral Uptake

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