- of or relating to a plastron.
Origin of plastral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for plastral
Variation and relative growth in the plastral scutes of the turtle Kinosternon integrum LeConte.The Amphibians and Reptiles of Michoacn, Mxico
William E. Duellman
The external scutellation of the plastral hinge in adults also differs from that in juveniles.
The gular scutes, on the anterior edge of the forelobe, become worn long before other plastral laminae do.
Siebenrock's synopsis of living trionychids was based entirely on plastral characters.
The pattern of sculpturing on the plastral bones as well as that of the carapace is generally of anastamosing ridges.