The slender, hairlike cell which receives the fertilizing particles, or antherozoids, in red seaweeds.

Receptive hypha in Ascomycotina fertilization.

In some charophycean green algae and in the red algae, the elongated portion of the female reproductive structure that recieves the male gametes

The hair on the female organ of the red seaweeds that receives the male gametes.

Receptive hypha in Asomycotina fertilization

In some algae, lichens, and fungi, a projection from the female sex organ that receives the male gamete or nuclei before fertilization ( karyogamy). ( 20)