Ambystoma
Noun
Meaning
type genus of the Ambystomatidae
Source: WordNetSynonyms
Hypernyms
Examples
Amphibians The axolotl (Ambystoma mexicanum) retains its larval form with gills into adulthood The lungs of most frogs and other amphibians are simple and balloon-like, with gas exchange limited to the outer surface of the lung.
For studies of regeneration urodele amphibians such as the axolotl Ambystoma mexicanum are used, Nacu, E. and Tanaka, E.M. (2011) Limb Regeneration: A New Development?
Stebbins & Cohen (1995) pp. 58–60 High-speed cinematography shows how the tiger salamander (Ambystoma tigrinum) positions itself with its snout close to its prey.
It is important to note that although there is a level of limited genetic diversity due to Ambystoma populations, such as the axolotl, being paedeomorphic species, it does not account for the overall lack of diversity.
Some members of the genera Ambystoma and Dicamptodon have larvae that never fully develop into the adult form, but this varies with species and with populations.
The changes that take place at metamorphosis are under the control of thyroid hormones and in obligate neotenes such as the axolotl (Ambystoma mexicanum), the tissues are seemingly unresponsive to the hormones.