from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A reproductive aperture or pore, especially of certain insects and worms.

from The Century Dictionary and Cyclopedia

  • n. The reproductive orifice of the female, in nemathelminths.


Sorry, no etymologies found.


  • The female system also produces eggs in the ovaries and transports via the oviduct to the gonopore.


  • The ootype leads into the uterus which runs into the genital atrium and gonopore.


  • The female part of the system is specialized into the gonopore (vagina), copulatory bursa and seminal receptacle for short and long-term sperm storage, respectively.


  • The silicon tube was then carefully inserted into the female gonopore, now clearly visible as a white spot on the right side of the animal anterior to the right tentacle and male gonopore.

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  • The eggs, having already been transferred from the female's gonopore to her gills, await fertiliation as the sperm are passed over the gills.

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