In this article we will discuss about the Tentaculocyst of Aurelia with the help of a diagram. 1. It is the slide of tentaculocyst of Aurelia which is also known as rhopallium statocyst. 2. It is a club-shaped structure and is located between the two marginal lappets. It is covered by the hood (the bell margin) on outer side. 3. [...]
In this article we will discuss about the L.S. ospharisium and ctenidium of pila with the help of suitable diagrams. L.S. Ospharisium of Pila: 1. It is the L.S. of Ospharidium of Pila. 2. It is the chemoreceptor organ of the animal, which helps in testing the purity of incoming water currents in mantle cavity. 3. It is elongated, oval [...]
In this article we will discuss about the structure of parapodium of heteronereis with diagram. 1. It is the slide of parapodium of Hereronereis. 2. The parapodium is biramous and ties on either side of a segment and is an organ of locomotion (swimming). 3. It comprises a dorsal notopodii and a ventral neuropodial lobe each of which is supported [...]