spineless

Example Sentences

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Remoras use lamellae, slatlike bones encased in soft tissue, and spinules, rows of hard teethlike tissue to create tight suction.

From Science Magazine • May 19, 2022

These hairs are covered with very fine spinules.

From Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses by Packard, A. S. (Alpheus Spring)

Capillitium of slender threads, 4–6 mic. in thickness, brownish-red in color, very rarely branched; the free extremities usually terminated by a stout spine; the spiral ridges three or four, furnished with numerous spinules.

From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)

They are pillarlike, with a flattened summit which is covered with minute spinules or granules.

From The Gutenberg Webster's Unabridged Dictionary Section P and Q by Project Gutenberg

One of the anchorÐshaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species of Synapta. ÷ ice.

From Webster's Unabridged Dictionary by Webster, Noah