nephridial papilla

nephridial papilla
The projection marking the opening of the excretory organ. nephridioblast n. [Gr. nephros, kidney; blastos, bud]
An ectodermal cell that is precursor to a nephridium.

Online Dictionary of Invertebrate Zoology. . 2005.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”