costal groove


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  • noun

Words related to costal groove

groove between the ribs where the nerves and blood vessels are

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References in periodicals archive ?
75), noting that this taxon has the lowest costal groove count of all the sirens.
Sex, measurements and costal groove counts of the Baldwin County Siren intermedia.
At a later date specimens were examined for external characteristics, measured in millimeters (total lengths and snout to vent lengths) and costal grooves were counted.
The species have been distinguished by a small suite of differential characters that include (in part) differences in adult size, number of costal grooves and shape of tail fin (e.