subumbrella การใช้

The motion of swimming for jellyfish is contractions of the subumbrella ( jellysac ) muscles.
A tangled arrangement of colorful arms emanates from the centre of the bell, much shorter than the silvery, thin tentacles which emanate from the bell's subumbrella.
Several insects attack the cactus, including the cactus moth " Melitara dentata ", the blue cactus borer " Olycella subumbrella ", and the cactus bug " Chelinidea vittiger ".
""'Pandea rubra " "'( class " Hydrozoa " ) are cnidarian invertebrates distinguished by an anthomedusan jellyfish with a bright red subumbrella . " P . rubra " are found in extremely deep and cold Pacific Ocean waters.
The upper or aboral surface is called the " exumbrella " and the lower surface is called the " subumbrella "; the mouth is located on the lower surface, which may be partially closed by a membrane extending inward from the margin ( called the " velum " ).