() () [12]



hydrozoans .


. "" ( ) " " ( ).


Medusae . hydroids zooids . Medusae . [12]





medusae mesoglea. . Tubularia . .


. . . .



. . . . (" ") : [11]


. . ( ) Scyphozoa ( ) .
Cnidocytes " " Cnidaria. .
. [11] ( ) . .
. .
(" ") . .


[12] . .



. Hydrozoa. Hydrozoans . Obelia gastrozooids gonozooids blastostyles medusae.
----/




" " . : [11] [12]




cnida [12]
()
""
/ / /






.