Term: actinotrichium cell
Name: actinotrichium
Synonyms: actinotrichia
Definition: Skeletal element which is a slender, horny, flexible, unsegmented fibril which provide structural support to fin folds or fins. Actinotrichia are translucent, exhibit birefringence (double refraction) and are composed of the scleroprotein elastoidine.
Ontology: Anatomy Ontology [ZFA:0005435]

Name: cell
Synonyms: cells
Definition: Anatomical structure that has as its parts a maximally connected cell compartment surrounded by a plasma membrane.
Ontology: Anatomy Ontology [ZFA:0009000]