What is casparian strips?

casparian strip is

casparian strip is

What are casparian strips? Where are they present?

What are Casparian strips?

What is meant by casparian strips?

(A) What are Casparian strips and what is their function ? (B) Define concentric vascular bundle. What are their types ? (C) What is wood botanically ?

What is the main function of casparian strips?