coelomic funnel
a ring-shaped peritoneal fold in female Salmonidae, for example, that guides the mature ova into the genital cavity from whence they exit to the exterior

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • coelomic funnel — The nephrostome …   Dictionary of invertebrate zoology

  • genital funnel — a ring shaped peritoneal fold through which the mature eggs pass on the way to the exterior via an orifice. Also called the coelomic funnel …   Dictionary of ichthyology

  • genital cavity — the space at the posterior end of the abdominal cavity separated from the rest by a ring shaped peritoneal fold (called the genital or coelomic funnel) through which the mature eggs pass on the way to the exterior via an orifice …   Dictionary of ichthyology

  • nephromixium — n.; pl. ia [Gr. nephros, kidney; mixis, mingling] An organ with flame cells and coelomic funnel serving as both excretory and genital duct; a nephrogonoduct; see protonephromixium, metanephromixium, mixonephridium …   Dictionary of invertebrate zoology

  • metanephridium — “+ noun Etymology: New Latin, from meta + nephridium : a nephridium that originates in a ciliated coelomic funnel compare protonephridium …   Useful english dictionary

  • circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …   Universalium

  • animal development — Introduction  the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …   Universalium

  • reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

  • annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …   Universalium

  • lamp shells — ▪ animal Introduction also called  brachiopod,         any member of the phylum Brachiopoda, a group of bottom dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers… …   Universalium

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