英和和英

名詞

ectocingulid (複数形 ectocingulids)

1. A cingulid on the exterior of a tooth
2. A thin ridge on the buccal (labial) aspect of lower molar crowns, typically enveloping the hypoflexid
   • 2015 October 8, “Description of a Well Preserved Fetus of the European Eocene Equoid Eurohippus messelensis”, in PLOS ONE‎^[1], DOI:10.1371/journal.pone.0137985:

     The buccal wall is near its base surrounded by a vestigial ectocingulid, which ends mesially in a tiny tuberculid.