basiepidermal
adjEtymology From basi- + epidermal.
- There are about 1500 tube feet per sea urchin, each comprised of several well-defined layers: an outer epidermis, a basiepidermal nerve plexus, a connective tissue layer and a longitudinal muscle layer lined with ciliated epithelium facing the inner water vascular lumen [13 –15 ].2015 August 13, “Tissue Regeneration and Biomineralization in Sea Urchins: Role of Notch Signaling and Presence of Stem Cell Markers”, in PLOS ONE, →DOI: