vibraculum

/vahy-brak-yuh-luhm/US // vaɪˈbræk yə ləm //UK // (vaɪˈbrækjʊləm) //

震荡,振动器,震荡器,颤动

Definitions

n.名词 noun

1
plural vi·brac·u·la [vahy-brak-yuh-luh]. /vaɪˈbræk yə lə/.
- : any of the modified polyps on the surface of certain bryozoan colonies, having a long, whiplike appendage that clears away debris.

Vibraculum, vī-brak′ū-lum, n. one of the long whip-like appendages of the cells of some Polyzoa:—pl.
Opening of cell broad oval, pointed below; three short indistinct spines above; vibraculum large, sinus deep.
Cells elongate, external side nearly straight, vibraculum sublateral, very prominent.
Each marginal cell with a single large vibraculum in front below the mouth.
Character: (B.) cells rhomboidal, sinuated on the outer side for the lodgment of a vibraculum.