colliquative necrosis |
colloostatin |
H1299.3 peptide |
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[colloblast]
This specific cell type is found in the tentacles of certain ctenophores (comb jellies) (Bargmann et al, 1972; Eeckhaut et al, 1997). Colloblasts function as adhesive cells used to capture prey. Upon contact with prey, the apical membrane of the colloblast ruptures, releasing the adhesive (Franc, 1978). It has been proposed that colloblasts are the functional analogs of the cnidarian cnidocytes (stinging cells) (Alié et al, 2011; Borisenko and Ereskovsky, 2013). For a functionally related cell type see also: hoplocytes.
Babonis et al (2018) have reported that colloblasts and neurons share a common progenitor, suggesting the evolution of colloblasts involved co-option of a neurosecretory gene regulatory network.
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