Also spongi‑ and spongo-.
A sponge; sponge-like.
Latin spongia, from Greek.
Something spongiform has a porous structure or consistency resembling that of a sponge, as in bovine spongiform encephalitis (BSE or mad cow disease), a neural disease which renders the brain spongy. A spongioblastoma (also called a glioblastoma) is a kind of spongy malignant tumour, usually of the brain or optic nerve. Spongin is the horny or fibrous substance found in the skeleton of many sponges. A spongolite is a rock formed almost entirely of siliceous sponge spicules.
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