triradiate

Having three rays

Triradiate means having three rays or radiating branches extending from a central point.

The term appears mainly in anatomy and biology, describing structures like certain bone formations or sponge spicules that spread outward in three directions: the triradiate cartilage of the pelvis.

biology

spicule

Minute sharp projection

  • spongeAbsorbent cleaning material
  • diatomSingle-celled silica algae
  • starfishFive-armed marine invertebrate

organism · specimen · microscopic · marine · silica · calcium · skeletal · invertebrate · zoology · classification

geometry

symmetrical

Even on all sides

axis · divergent · angular · branching · triangular · equidistant · central · projection · vector · coordinate

anatomy

pelvis

Bony basin at waist

  • sacrumFused vertebrae above tailbone
  • vertebraSegmented bone of spine
  • boneHard skeletal tissue

cartilage · skeletal · ossification · joint · ischium · pubis · tripartite · anatomical · morphology · structure

crystallography

crystal

Ordered-atom solid

aggregate · twinning · growth · facet · prismatic · specimen · inclusion · dendritic · nucleation · branching

Opposites
structural symmetry type

triradiatebilateral

Involving two parties

asymmetric · asymmetrical · linear · irregular

Family

radiant, radiate, radiation, radial, radius, radiating, radially, radiative, radiations

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