Morphology and Function of Lateral Hypaxial Musculature in Salamanders
نویسندگان
چکیده
منابع مشابه
Morphology and Function of Lateral Hypaxial Musculature in Salamanders1
SYNOPSIS. The lateral hypaxial musculature (LHM) of salamanders may serve as a useful model for understanding the functions of LHM in tetrapods more generally. Salamanders have between two and four layers of LHM, arranged segmentally in myomeres. These layers produce three primary mechanical actions: they bend the body, pressurize the body, and produce or resist torsion about the long axis of t...
متن کاملMorphological variation of hypaxial musculature in salamanders (Lissamphibia: caudata).
Despite the acknowledged importance of the locomotory and respiratory functions associated with hypaxial musculature in salamanders, variation in gross morphology of this musculature has not been documented or evaluated within a phylogenetic or ecological context. In this study, we characterize and quantify the morphological variation of lateral hypaxial muscles using phylogenetically and ecolo...
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The function of the lateral hypaxial muscles during locomotion in tetrapods is controversial. Currently, there are two hypotheses of lateral hypaxial muscle function. The first, supported by electromyographic (EMG) data from a lizard (Iguana iguana) and a salamander (Dicamptodon ensatus), suggests that hypaxial muscles function to bend the body during swimming and to resist long-axis torsion du...
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ژورنال
عنوان ژورنال: American Zoologist
سال: 2000
ISSN: 0003-1569
DOI: 10.1093/icb/40.1.77