Pronephros - definition of pronephros by The Free Dictionary
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pro·neph·ros (prō-nĕf′rəs, -rŏs′)
n. pl. pro·neph·roi (-roi)
or pro·neph·ra (-rə)
A kidneylike organ, being either part of the most anterior pair of three pairs of organs in a vertebrate embryo, disappearing early in the embryonic development of most vertebrates.
+ Greek nephros
pro·neph′ric (-rĭk) adj.
, pl -roi
) or -ra
(Zoology) the first-formed anterior part of the embryonic kidney in vertebrates, which remains functional in the larvae of the lower vertebrates. See also mesonephros
[C19: New Latin, from pro-2 + Greek nephros kidney]
pro•neph•ros (proʊˈnɛf rɒs, -rəs)
n., pl. -roi (-roi), -ra (-rə)
an excretory organ of vertebrate embryos, which in some primitive fishes develops into a functional kidney.
[1875–80; < New Latin < Greek pro- pro
References in periodicals archive
The embryonic kidney develops through three stages: the pronephros
, the mesonephros, which both will regress throughout development, and the metanephros, which forms the final kidney.
Ultrastructural Changes Induced by Cadmium in Pronephros
of Colossoma macropomum
In vitro effect of mercuric chloride and sodium selenite on chemiluminescent response of pronephros
cells isolated from tilapia, Oreochromis aureus.
miR-30a-5p is strongly produced in the pronephros
and increases as kidney development progresses (30, 31).
Homozygous Wtl~l~ mice do not undergo differentiation from pronephros
to metanephros and die in utero (Kreidberg et al.
Antibody-farming cells in the pronephros
the teleost: Lepomis macrochirus.
Nephric development in the sheep with reference to the problem of the ruminant pronephros