Question

in most woody trees epidermis breaks to form a lens shaped opening name the opening and its function

Answer 1

Answer:

A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of dicotyledonous flowering plants.  It functions as a pore, providing a pathway for the direct exchange of gases between the internal tissues and atmosphere through the bark, which is otherwise impermeable to gases. The name lenticel, pronounced with an derives from its lenticular (lens-like) shape. The shape of lenticels is one of the characteristics used for tree identification.

Explanation:

Answer 2

Concept: Lenticel is the lens shaped opening in the most woody trees where epidermis breaks and forms it.

Find: write the name of the part and functions of it.

Solution: Functions of lenticels are:

1. the main function of lenticel is to perform a gaseous exchange between air and inner tissues.

2. Through the lentricels a little transpiration may occur.

3. Lenticels are active even in night when stomatal transpiration stop.

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