Preferred Label : elastica externa of notochord;
Uberon synonym : membrana elastica externa; elastica externa;
Uberon related term : notochordal sheath;
Uberon Taxon note : The notochordal sheath in amphioxus has a complex three-layered organization with
the outer, middle and inner layer The outer and middle layer are composed of collagen
fibers of different thickness and course, that correspond to collagen type I and collagen
type III in vertebrates, respectively, and the inner layer is amorphous, resembles
basal lamina, and is closely attached to the notochord by hemidesmosome junctions.;
Origin ID : 0013655;
bounding layer of
- part of
