perithelium

English Thesaurus

1. tissue layer around small blood vessels (noun.body)

hypernym	:	membrane, tissue layer,
definition	:	a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants (noun.body)

derivation	:	perithelial,
definition	:	of or relating to the tissue layer around small blood vessels (adj.pert)

derivation	:	perithelial,
definition	:	of or relating to the tissue layer around small blood vessels (adj.pert)