Urodela

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Related to urodele: Urodele amphibians

Urodela

the amphibian order containing newts and salamanders. They usually have a well-developed tail and four limbs, and have a larva with external gills.
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Urodele amphibians have the largest erythrocytes of all vertebrates, however it is unclear what physiological purpose large erythrocytes might serve.
Consider the urodeles, a class of vertebrates that includes newts and salamanders.
To our knowledge, there is still no report of cloning of aquaporins in urodeles or caecilians.
Histological studies have suggested that the process is similar to that of the epimorphic regeneration in urodele limbs.
The limb morphology of urodele amphibians has emerged as a promising system for analysis of the action of internal constraints on morphological diversity (Alberch 1983; Alberch and Gale 1985; Hanken 1983, 1985; Hanken and Dinsmore 1986; Shubin and Alberch 1986; Oster et al.
For instance, the tissues involved in lens and limb regeneration in urodele amphibians are particularly unlikely (in comparison to non-regenerating parts of the body) to form cancerous abnormalities even when the regrowing structures are treated with chemical carcinogens (Oviedo and Beane, 2009).
There has been some evidence correlating FGF pathway function with urodele lens regeneration (McDevitt et al.
Multiple ligands that control sperm activity are also found in urodele amphibians and the Pacific herring (Cherr et al, 2008; Watanabe et al, 2010).
Molgulidae is an interesting group for research on the evolution of body plans because it contains species that have urodele, tailed, chordate larvae with notochord and muscle as well as closely related species with anural, tailless larvae that completely lack larval structures, including the sensory otolith and muscle and notochord in the tail (5).
Molecular cytogenetics of the ribosomal (18 + 28S and 5S) DNA loci in primitive and advanced urodele amphibians.
Regeneration of the urodele forelimb after reversal of its proximo-distal axis.