интерсептальный(between septa; as, the interseptal spaces or zones, between the transparent, or septal, zones in striated muscle; the interseptal chambers of a shell, or of a seed vessel)
интеррадиум(1. that portion of the disk of an ophiuran or brittle-star which lies between adjoining arms; 2. the space between the radial plates in the calyx of a crinoid; also called interray)