This image shows a chemically cleared anther in blue and red (1) and pollen grains in yellow (2) from the flower of a sand rock-cress plant. The pollen grains from this plant are about 25 micrometers ...

Pollen grains have a hard coat that protects the ... the inner tissue drives the formation of the complex 3D shape of the anther during development.

Male gametes are found in pollen grains and produced in the anthers of the flower. Female gametes are found in ovules and produced in the ovary of the flower.

A rotarod collects pollen grains and mold spores for a full day and is then examined under a microscope by pollen lab technicians. They examine the numbers and types of pollen grains. RELATED ...