Term: gill filament epithelial cell
Name: gill filament
Synonyms: gill filaments
Definition: Portion of tissue that projects outward from the gill and is a thread-like, soft, red respiratory and excretory structure.
Ontology: Anatomy Ontology [ZFA:0000667]

Name: epithelial cell
Synonyms: epithelial cells
Definition: A cell that is usually found in a two-dimensional sheet with a free surface.
Ontology: Anatomy Ontology [ZFA:0009034]