actinal
Pertaining to the side or surface around the mouth in an animal that has radial…Pertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish.
Meaning
2 sensesPertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish.
Pertaining to the axis of rotational symmetry in radiate animals.
More definitions
- (of radiate organisms) located on the surface or end on which the mouth is situated
Origin
From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”) + -al. The usage was coined by LouFrom Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”) + -al. The usage was coined by Louis Agassiz (See quotations below.).
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