See Also: hydroskeleton(medicine)

Hon. (iou) and hydroskeleton (medicine)


Hon. (iou)



Hon. abbreviation.
Honorary.
Honourable.

hydroskeleton (medicine)


hydroskeleton
<biology> A type of skeleton found in many soft-bodied invertebrates which consists of water-filled body cavities controlled by muscles. Hydroskeletons are found in echinoderms (starfish, sea urchins), annelids (earthworms), nematodes, and a number of Other wormlike invertebrate phyla.