Primary growth

Growth that occurs via cell division at the tips of stems and roots. Related Images:

Osmosis

Passage of materials through a membrane from an area of high concentration to an area of lower concentration. Related Images:

Mycorrhizae

Beneficial fungi that infect plant roots and increase their ability to take up nutrients from the soil. Related Images:

Lenticel

A small opening on the surface of fruits, stems, and roots that allows exchange of gases between internal tissues and the atmosphere. Related Images:

Radicle

The root portion of an embryo. Related Images:

Node

The area of the stem that bears a leaf or a branch. A joint where leaves, roots, branches, or stems arise. Related Images:

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