- the horny or chitinous outer case or covering protecting the soft parts of hydrozoans.
Origin of perisarc
Examples from the Web for perisarc
Historical Examples of perisarc
The genera are based upon these differences in the perisarc.The Sea-beach at Ebb-tide
Augusta Foote Arnold
Over the whole exterior a delicate pellicle—the future perisarc—now becomes secreted.
It flattens itself out into a disc-like form, becomes divided into four lobes, and covered by a cuticle (perisarc).
- the outer chitinous layer secreted by colonial hydrozoan coelenterates, such as species of Obelia