of or relating to a substance that is useful in the suppression of nausea or vomiting. noun. 2. any such substance. Origin of antiemetic. anti- + emetic.
Sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria. They are named for the anemone, a terrestrial flower.Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia. sea anemone is a sessile polyp attached at the bottom to the surface beneath it by an adhesive foot, called a basal disc, with a column-shaped body ending in an oral disc.
Clownfish are the only fish known to be able to live amongst the tentacles of anemones. The tentacles of the anemones normally sting other fish, but clownfish excrete a mucus over their skin that tricks the anemone into believing it is touching itself, so it does not sting.lownfish are the only fish known to be able to live amongst the tentacles of anemones. The tentacles of the anemones normally sting other fish, but clownfish excrete a mucus over their skin that tricks the anemone into believing it is touching itself, so it does not sting.