Gas exchange also takes place through other gills known as papulae, which are thin-walled bulges on the aboral surface of the disc and arms.
22.
Mobilids possess a conspicuous " adhesive disk " at the aboral ( posterior ) pole, enabling the organism to attach itself temporarily to its host organism.
23.
The authors found that about half of the animal's aboral surface was damaged and large pieces of mesoglea were missing, presumably removed by the argonaut.
24.
The Cestida ( " belt animals " ) are ribbon-shaped planktonic animals, with the mouth and aboral organ aligned in the middle of opposite edges of the ribbon.
25.
Juvenile cusk-eels have been found to associate with " P . placenta ", either hiding underneath it or between the long spines on its aboral surface.
26.
Ciliature on the body is restricted to a posterior wreathe called the " trochal band, " made up of three rings of cilia girdling the aboral region of the cell.
27.
Pedicellariae are compound ossicles that articulate with other ossicles and protrude from the aboral ( upper ) surface of some sea stars ( and also the test of sea urchins ).
28.
"Bazinga rieki " has a thick round translucent and colourless body, the aboral ( upper ) surface of which is covered in tiny warts with yellow centres.
29.
The long, sharp spines on the sides of the starfish's arms and upper ( aboral ) surface resemble thorns and create a crown-like shape, giving the creature its name.
30.
They are cigar-shaped but slightly broader at the " front " end, which is the aboral, vegetal-pole end and eventually attaches to a substrate if the species has a polyp stage.
