acrocyst
|ac-ro-cyst|
C2
/ˈækrəsɪst/
protective sac
Etymology
Etymology Information
'acrocyst' originates from Greek, specifically the word 'akros' meaning 'topmost' and 'kystis' meaning 'bladder' or 'sac'.
Historical Evolution
'Akros' and 'kystis' combined in Greek to form 'akrokystis', which eventually became the modern English word 'acrocyst'.
Meaning Changes
Initially, it referred to the topmost sac-like structure, and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a specialized structure in certain hydroids, serving as a protective covering for the developing medusa buds.
The acrocyst provides a safe environment for the medusa buds to mature.
Last updated: 2025/04/27 12:51