hydrospire
noun
hy·dro·spire
"+ˌ-
: a flattened calcareous pouch or tube on either side of the middle line of the inner surface of the ambulacra of a blastoid, located within the cavity of the calyx, opening on the exterior by a small aperture, and presumed to form part of the respiratory system
hydrospiric
adjective
¦⸗⸗¦spīrik
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“Hydrospire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrospire. Accessed 22 Nov. 2024.
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