Define incurrent siphon. Mantle: A thin tissue that surrounds the soft body of a mollusk. and more. This flow-through system allows the animal to effectively filter and process its aquatic environment. Affording passage to an inflowing current. . Siphon definition: To draw off or convey (a liquid) through a siphon. Hard clams have two short siphons through which water is filtered. Water enters the clam through the ventral incurrent siphon, circulates through the mantle cavity and over the gills , and leaves through the dorsal excurrent siphon. See examples of INCURRENT used in a sentence. Gravid: pregnant, carrying eggs Hinge: the elastic part of the shell that unites the valves along the dorsal margin of the shell Incurrent Siphon: An opening that brings the oxygen and food containing water into the mussels body. Larva: Immature form of an animal. , Define incurrent siphon. The excurrent siphon ensures that once water has been utilized for nutrient and oxygen extraction, it is Nov 21, 2023 · The incurrent siphon is lined with cilia that help to move incoming water across the surface of the gills, where oxygen and carbon dioxide are exchanged and food filtered towards the labial palps. May 19, 2025 · Incurrent and excurrent siphons are the tubular structures that burrowing bivalve molluscs, such as clams, use to feed, respire, reproduce and expel waste into the water, while the body of the bivalve remains buried beneath the surface of the sediment, where it is hidden from predators. Jun 25, 2024 · The incurrent siphon is a tube that water flow into which allows respiration, reproduction, locomotion and feeding. Excurrent definition: running out or forth. See examples of EXCURRENT used in a sentence. While the incurrent siphon intakes water, the excurrent siphon expels it. , Define cloaca. In some (but not all) sea snails, marine gastropod molluscs, the animal has an anterior extension of the mantle called a siphon, or inhalant siphon, through which water is drawn into the mantle cavity and over the gill for respiration. Define incurrent. incurrent synonyms, incurrent pronunciation, incurrent translation, English dictionary definition of incurrent. At the posterior margin the mantle is thickened and comes together to form two openings, the siphons. Locomotion is achieved by expulsion of water. The incurrent siphon is a tube-like structure that extends from the clam’s body and is used to create a current of water that flows into the clam’s mantle cavity. Incurrent definition: carrying or relating to an inward current. The excurrent siphon, also found in aquatic animals like bivalves, works in tandem with the incurrent siphon. S and F. The siphon which takes in water is called the incurrent, or inhalant siphon, and it lies on the ventral side (underside) of the clam. adj. Study with Quizlet and memorize flashcards containing terms like Define neural crest. r7 v3t91 rbgtrr ffc8 sm 5o tnwwf i0 bdezv nb