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The mantle cavity is a central feature of molluscan biology. This cavity is formed by the mantle skirt, a double fold of mantle which encloses a water space. This space contains the mollusk's gills, anus, osphradium, nephridiopores, and gonopores. The mantle cavity functions as a respiratory chamber in most mollusks. In bivalves it is usually ...
Get ready for all of today's NYT 'Connections’ hints and answers for #577 on Wednesday, January 8, 2025. Today's NYT Connections puzzle for Wednesday, January 8, 2025 The New York Times
The mantle is a multifunctional, generally thin and fragile structure that line bivalve interiors and encloses their bodies. This structure secretes the shell, contains respiratory organs and facilitates feeding. The cavity that exists between the mantle and other soft tissues is aptly named the mantle cavity. [4]
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks [a] (/ ˈ m ɒ l ə s k s /). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda . [ 5 ]
Today's Wordle Answer for #1299 on Wednesday, January 8, 2025. Today's Wordle answer on Wednesday, January 8, 2025, is DRAFT. How'd you do? Next: Catch up on other Wordle answers from this week.
The bivalve's two siphons are situated at the posterior edge of the mantle cavity. [11] There is an inhalant or incurrent siphon, and an exhalant or excurrent siphon. [12] The water is circulated by the action of the gills. Usually water enters the mantle cavity through the inhalant siphon, moves over the gills, and leaves through the exhalant ...
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(In mollusks, the mantle consists of the tissues that normally generate the shell. Being mostly or entirely without shells, most slugs have reduced mantles.) Pilsbry (1948) stated that "the enormously developed mantle , the large empty shell sac, and the insertions of the free retractor muscles along the margins of the foot cavity, instead of ...