Integument vs Subumbrella - What's the difference?
integument | subumbrella |
(biology) An outer protective covering such as the feathers or skin of an animal, a rind or shell.
(botany) The outer layer of an ovule, which develops into the seed coat.
(zoology) The integument of the undersurface of the bell, or disk-shaped body, of a jellyfish.
(Webster 1913)