endotheca

noun

endotheca

noun

Etymology From endo- + theca (“the calcareous wall of a corallite”).

1

Biology, Natural sciences, Zoology The tissue which partially fills the interior of the interseptal chambers of most madreporarian corals. It usually consists of a series of oblique transverse septa, one above another.

Related terms
endothecal, exotheca

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.