retrochoanitic
形容词 adj.
英文释义
形容词 adj.
-
That points backward.
— The latter is retrochoanitic during the earliest ontogenetic stages (Fig 4A 2 ) and becomes prochoanitic (Fig 6B ) at D≈1.8 mm, after approximately 18 septa and in the first half of the second whorl (in CPC-1214).
0 次浏览
数据来源: Wiktionary