Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,914,799,389 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

metanephros

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.02 sec.
metanephros /meta·neph·ros/ (-nef´ros) pl. metaneph´roi   [Gr.] the primordium of the permanent kidney, developing later than and caudad to the mesonephros.
met·a·neph·ros (mt-nfrs, -rs)
n. pl. met·a·neph·roi (-roi)
The third and final excretory organ that develops in a vertebrate embryo. In birds, reptiles, and mammals it replaces the mesonephros as the functional excretory organ and develops into the adult kidney.

meta·nephric (-rk) adj.

metanephros
[-nef′rəs] pl. metanephra, metanephroi
Etymology: Gk, meta + nephros, kidney
the third, and permanent, excretory organ to develop in the vertebrate embryo. It consists of a complex structure of secretory and collecting tubules that develop into the kidney. In most mammals there is limited functional use of the metanephric kidney during fetal life because waste materials are transferred across the placenta to the mother for elimination. Also called hind kidney. See also kidney, mesonephros, pronephros. metanephron, adj.

metanephros [met″ah-nef´ros] (pl. metaneph´roi) (Gr.)
the permanent embryonic kidney, developing later than and caudad to the mesonephros. adj., adj metaneph´ric.

metanephros
pl. metanephroi [Gr.] the third and final attempt to produce a permanent embryonic kidney, developing later than and caudal to the mesonephros.


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?   Medical browser?   Full browser?
 
 
 
Medical Dictionary
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.