epipericystとは 意味・読み方・使い方

名詞

epipericyst (複数形 epipericysts)

1. The part of the pericyst that lies anterior to the paracingulum.
   • 1978, Stanford University Publications: Geological sciences:

     Epipericyst and hypopericyst of more or less equal size or epipericyst somewhat larger. Ambital outline widest in pericingular region. Compression dorso-ventral, moderate to extreme.

   • 1987, P. A. Jell, Association of Australasian Palaeontologists, Studies in Australian Mesozoic palynology, volume 1, page 273:

     The epipericysts on the Australian and French specimens are generally broadly rounded apically, whereas those from California are acutely rounded, and commonly possess a short, apical horn.