acephalocysticadj.
/eɪˌsɛfələ(ʊ)ˈsɪstɪk/, /eɪˌsɛfl̩ə(ʊ)ˈsɪstɪk/, /eɪˌkɛfələ(ʊ)ˈsɪstɪk/, /eɪˌkɛfl̩ə(ʊ)ˈsɪstɪk/, U.S. /eɪˌsɛfələˈsɪstɪk/ Zoology and Medicine. Now disused.
Of or relating to acephalocysts; of the nature of acephalocysts.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective] > relating to tape-worms > larval > encysted > of or belonging to
acephalocystic1824
hydatid1826
1824 Lancet 18 Sept. 366/1 It was recognised by Professor Lacunnec [read Laennec] to belong to the acephaloagstic [read acephalocystic] kind.
1840 Western Jrnl. Med. & Surg. 2 790 Serous cysts..bear a marked resemblance to the second great division of hydatids—the acephalocystic.
1852–4 Todd's Cycl. Anat. & Physiol. V. 26/1 Every thing that is known of the acephalocystic productions seems to point to the view that they are all nearly allied.
1912 V. E. Collins & J. A. Liebmann tr. G. Dieulafoy Text-bk. Med. (ed. 2) II. iii. vii. §16. 961 As long as the germinative membrane of the hydatid cyst produces vesicles and not echinococci, the cyst is said to be acephalocystic.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022).
<
adj.1824