Radial lirae see carapace costae

radial masses (NEMATA: Adenophorea) In Enoplida, structures connecting the mandibular ring to the radial processes.

radial-medial cross vein (ARTHRO: Insecta) A wing cross vein between the lower first fork of the radial sector and the upper first fork of the medial vein.

radial muscles (NEMATA) The radial musculature of the nematode esophagus.

radial plates (ECHINOD: Crinoidea) Tegmental armature in the form of calyx plates in primative stalked crinoids, oral to the basal plates.

radial processes (NEMATA: Adenophorea) In Enoplida, supporting structures of the onchial plate.

radial ribs (MOLL: Bivalvia) Ribs or bands of color meeting in a point at the umbones and diverging toward the ventral margin.

radial sector (ARTHRO: Insecta) The posterior wing branch of the two main branches of the radius.

radial skeleton (PORIF) Structural elements diverging from a central point toward the surface.

radial symmmetry Having similar parts arranged around a common central axis. see bilateral symmetry.

radial vein (ARTHRO: Insecta) Often the heaviest vein of a wing, that forks near the middle of the wing, with the main part forming the radial sector vein.

radianal plate (ECHINOD: Crinoidea) The calyx plate in the anal interradius in association with the anal tube.

radiate v. [L. radius, ray] To send out rays or direct lines from a common point.

radiate a. [L. radius, ray] Radially symmetrical; radiating.

radiate veins (ARTHRO: Insecta) The anal veins.

radicate v. [L. radicatus, rooted] (MOLL: Bivalvia) Becoming permanently established by a root-like organ used for attachment.

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