Examlex
The thymus is found in the center of the chest and produces the hormone thymosin.
Germination
The process by which a plant grows from a seed or similar structure, marking the beginning of its life cycle.
Coleoptile
Of monocots, a rigid sheath that protects the plumule (embryonic shoot) as it grows up to the soil surface.
Radicle
The first part of a seedling to emerge during the germination process, which develops into the primary root.
Phototropism
Directional response to light.
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