"Spiculum" is a word in ENGLISH

A peculiar small siliceous spicule having a denticulated wheel at each end; -- found in freshwater sponges.

One of the anchor-shaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species …

An order of marine sponges, containing calcareous spicules. See Porifera.

A siliceous sponge, of the genus Hyalonema, and allied genera; -- so called from their glassy fibers or spicules; -- …

An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea.

Having six-rayed spicules; belonging to the Hexactinellinae.

Belonging to the Hexactinellinae, a group of sponges, having six-rayed siliceous spicules.

An order of vitreous sponges, having glassy six-rayed, siliceous spicules; -- called also Hexactinellinae.

Order of rhizopods, usually having a siliceous skeleton, or shell, and sometimes radiating spicules. The pseudopodia project from the body …

Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid …

Having the parts spreading out like a wheel; wheel-shaped; as, a rotate spicule or scale; a rotate corolla, i.e., a …

Having a straight shaft with whorls of spines; -- said of certain sponge spicules. See Illust. under Spicule.

A hard chitinous or calcareous process or corpuscle, especially a spicule of the Alcyonaria.

Having six rays; -- said of certain sponge spicules. See Illust. of Spicule.

An extensive order of Porifera, which includes those that have the skeleton composed mainly of siliceous fibers or spicules.

Covered with minute spiculae, or pointed fleshy appendages; divided into small spikelets.

Covered with, or having, spicules.

To sharpen to a point.

Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most …

Same as Spicula.