From where the secondary meristem arises

From where do the secondary meristem arise?

The Secondary consumers are

secondary xylem is

secondary xylem is

Secondary producers are

What are the different types of secondary meristem?

From where the word acid come from?

In dicot root, cambium develops from secondary meristem. First to happen during secondary growth is 1. cambium becomes active below phloem 2. conjunctive tisse inner to pheloem gets active 3. cambium develops from pericycle opposite to protoxylem 4. a wavy ring of cambium develops.

The cells of meristems have

From where Adrenalin secretes?