- In echinoderms, one of the areas or zones intervening between two ambulacra.
- In echinoderms, among the places or areas intervening between two ambulacra. See Illust. of ambulacrum.
- In zoology, the imperforate plates which take the periods of this perforate dishes, or ambulacra, when you look at the shells of echinoderms. See ambulacrum.
Variant for "interambulacrum"
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