spiculum
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Rossiter in this autumn of 1917 was extremely interested in certain crucial experiments he was making with spiculum in sponge-cells; with scleroblasts, "mason-cells," osteoblasts, and "consciousness" in bone-cells.
From Mrs. Warren's Daughter A Story of the Woman's Movement by Sir Harry Hamilton Johnston
It publishes itself in creatures, reaching from particles and spicula, through transformation on transformation to the highest symmetries, arriving at consummate results without a shock or a leap.
From Essays by Ralph Waldo Emerson by Edna Henry Lee Turpin
A little above this, where the lime is less abundant, and the lava more compact, numerous little balls, composed of spicula of calcareous spar, radiating from common centres, occupy the interstices.
From Volcanic Islands by Charles Darwin
Nature 'publishes itself in creatures, reaching from particles and spicula, through transformation on transformation to the highest symmetries.
From Critical Miscellanies, Vol. 1, Essay 5, Emerson by John Morley
We can, for example, converge a powerful luminous beam upon a surface covered with hoar frost, without melting a single spicula of the crystals.
From Fragments of science, V. 1-2 by John Tyndall
In the eagerness with which these bones are crushed, spicula or large pieces of them become wedged between the molar teeth, and form an inseparable obstacle to the closing of the teeth.
From The Dog by William Youatt