adrostraladj.
/aˈdrɒstr(ə)l/, U.S. /æˈdrɔstrəl/, /æˈdrɑstrəl/ Zoology.
Situated near or alongside the rostrum or snout; esp. designating structures in the cranium of pelobatoid amphibians, and features on the carapace of penaeid crustaceans.
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the world > animals > animal body > general parts > head and neck > [adjective] > having a snout > of the beak
rostral1812
adrostral1876
1876 Jrnl. Anat. & Physiol. 10 427 The small antero-lateral cartilages will perhaps have a parallel in the upper ‘adrostral’ cartilages in Pelobates.
1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 457 The presence of special cartilages (rostral and adrostral) in front of the primordial cranium of the larvæ of Anura.
1968 Crustaceana 14 223 The adrostral grooves are wide and well defined posteriorly.
1986 Jrnl. Crustacean Biol. 6 402 Adrostral carina strong, extending almost to epigastric tooth.
2001 Amer. Zool. 41 542/2 Adrostral tissues.., rods of undifferentiated connective tissue lateral to the suprarostral cartilages, are present only in the Pelobatoidea.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online March 2022).
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adj.1876