‖ diacœlosis Biol.
(ˌdaɪəsiːˈləʊsɪs)
[f. Gr. δια- (dia-1) + κοίλωσις hollow, belly.]
The separation of the cœlome or body-cavity into several sinuses in some Vermes, as leeches.
| 1888 Rolleston & Jackson Anim. Life 579. Ibid. 630 The coelome is much restricted by a growth of connective tissue, which splits it up into sinuses and channels, a process termed diacoelosis. |