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Definitions from the Web

Exine

Description:

The exine refers to the outer layer of a pollen grain or spore. It is a robust and resistant structure that protects the inner layers and provides a means of transportation.

Senses:

1. Noun: The tough outer layer of a pollen grain or spore.

Usages:

1. Botany: In botany, the exine plays a crucial role in protecting the genetic material during pollination and fertilization.

Examples:

• Noun: The exine of the pollen grain allows it to withstand harsh environmental conditions.

Related Products:

Check out these related products on Amazon:

• Botany books
• Pollen field guides