plastron

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Related to Plastrons: Turtle shell

plastron

[′plas‚trän]
(invertebrate zoology)
The ventral plate of the cephalothorax of spiders.
(vertebrate zoology)
The ventral portion of the shell of tortoises and turtles.
References in periodicals archive ?
Snappers generally mate on the bottom of a waterbody, and usually not in this position, but rather with the male's plastron against the female's carapace.
Diving bells may have their limitations, but insect plastrons could inspire submersible designs, Flynn says.
In both species, shell degradation can be found on the carapace and plastron, although it is more prevalent on the plastron (Jacobson et al.
scripta that predicts plastron length of melanistic males from the plastron length of three-year old females.
All dead hatchlings could be confidently identified from photocopies even though some individuals had severely damaged plastrons.
Measures of hatchling body size (mass, carapace length, carapace width, plastron length, and head width) and locomotor performance (log of running speed, log of swimming speed, square root of propensity to run, and square root of propensity to swim) were analyzed in SuperANOVA with separate Type III two-way analyses of covariance, using incubation temperature and gender as fixed effects (excluding the interaction term) and initial egg mass as the covariate.
2) After four general notes about the appearance of the plastron and its graphs (I: 90-91), Serruys ("S") gives the translation for BB 1.
The plastron and carapace were also inspected for damage indicative of disease or scavenging, and turtles were collected for inspection in the laboratory.
The bony shell of turtles is composed of the carapace and the plastron joined together by a bridge.
No tortoise had sufficient wear to the carapace or plastron to obscure annuli.