Term: trunk pigment accumulation
Name: trunk
Synonyms:
Definition: Organism subdivision which is the part of the body posterior to the head and anterior to the post-vent region.
Ontology: Anatomy Ontology [ZFA:0001115]

Name: pigment accumulation
Synonyms: pigment accumulation in response to external stimulus
Definition: The aggregation of coloring matter in a particular location in an organism, tissue or cell, occurring in response to some external stimulus.
Ontology: GO: Biological Process [GO:0043476]    QuickGO    AmiGO