Definitions

1. noun

A cell in the megasporangium of a plant that has undergone megasporogenesis, but has not yet undergone fertilization.

“The synergid cells were crucial in guiding the pollen tube towards the egg cell.”

2. noun

A cell in the megasporangium of a plant that has undergone megasporogenesis, especially one that has been penetrated by a pollen tube.

“The synergid cells of the plant were observed under a microscope.”