acraniate
基礎(chǔ)科學(xué)

        Any chordate animal with a noto-chord and lacking a brain and skull. Acrani-ates include the urochordates and cephalochor-dates. See Cephalochordata,Urochordata.指任何脊索動(dòng)物中具有脊索而缺乏大腦和頭骨的動(dòng)物。無(wú)頭骨類(lèi)包括尾索動(dòng)物和頭索動(dòng)物。參閱142頁(yè) Cephalo......（本文共 220 字）     [閱讀本文] >>