actinotrocha
|ac-ti-no-tro-cha|
C2
/ˌæktɪˈnɒtrəkə/
larval stage of marine invertebrates
Etymology
Etymology Information
'actinotrocha' originates from Greek, specifically the words 'aktis' meaning 'ray' and 'trochos' meaning 'wheel'.
Historical Evolution
The term 'actinotrocha' was adopted into scientific Latin from Greek, maintaining its original meaning related to its structure and function.
Meaning Changes
Initially, it referred to the larval stage characterized by its radial symmetry and wheel-like ciliary bands, and this meaning has remained consistent.
Meanings by Part of Speech
Noun 1
the free-swimming larval stage of certain marine invertebrates, particularly in the phylum Phoronida.
The actinotrocha eventually metamorphoses into an adult phoronid.
Last updated: 2025/04/30 20:06