turbellarianany aquatic free-swimming platyhelminth of the
class Turbellaria, the body of which is covered with cilia.
Full article >>>releaser gland A gland in
turbellarians that secretes a chemical that dissolves the attachment of the
organism from a
substrate.
releaser Simple stimulus that elicits an innate behavior pattern.
Full article >>>embryo produced by spiral
cleavage,
characterized by the absence of a
blastocoel; formed by
embryos of annelid worms,
turbellarian flatworms, nemertean worms, and all molluscs except cephalopods.
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Full article >>>'"/>