2.3 Internal anatomy. 2.4 Senses. 3 Homing ability. 4 Culinary uses. 5 Life habits. ... Chitons (/ ˈ k aɪ t ən z,-t ɒ n z / ... Chitons have separate sexes, and fertilization is usually external. The male releases sperm into the water, while the female releases eggs either individually, or in a long string. In most cases, fertilization ...

2023年4月21日 · Anatomy of a Chiton: External Features. Chitons have a unique, flattened body with a dorsal shell made up of eight overlapping plates. The plates are held together by a tough, flexible girdle that surrounds the chiton’s body. The girdle is attached to the plates by strong muscles, which allow the chiton to curl up for protection.

This video provides an examination of the external anatomy of the gumboot chiton Cryptochiton stelleri, an animal found along the Pacific coast of North Amer...

2023年3月29日 · Chitons (Mollusca; Polyplacophora) have thousands of sensory organs, termed aesthetes, embedded in their eight dorsal shell plates. Aesthetes are thought to be sensitive to light, as well as other types of external stimuli. In some chitons, the aesthetes are associated with clusters of photoreceptors and pigmented cells (eyespots).

External (a) and internal (b) anatomy of a representative chiton showing the location of the radula, a rasping, toothed conveyor belt-like structure used for feeding. Details of the anterior...

External Structures of Chiton: Chiton has an oval and dorso-ventrally flattened body. The dorsal side is convex and the ventral side is flattened. The middle portion of the dorsal side is covered over by eight overlapping pieces of calcareous shells arranged antero-posteriorly (Fig. 16.5A). These pieces are called the valves or shell plates.

Polyplacophoran molluscs, or chitons (Figure 5), have a dorsal shell that is secreted as eight valves or plates. The plates of individual animals differ in size and shape based on their sequential position; this plate dimorphism is also present in …

2024年11月12日 · Chitons are flattened, bilaterally symmetrical mollusks armored with eight calcified plates on their shell. They constitute the class Polyplacophora and are hence known as polyplacophorans. Sometimes, they are also called by the names sea cradles, coat-of-mail shells, suck-rocks, and loricates.

Study the anatomy of the chiton from the images below. Sketch the dorsal (top) and ventral (bottom) views of the chiton in your journal, color it, and label the parts.

External anatomy. Chitons are animals that, in general, have a small size. They measure approximately 5 or 6 cm, although specimens that greatly exceed that size have been recorded. The body of these animals is soft and is protected by a kind of shell that is located in the upper or dorsal part. That shell is the distinctive element of the ...