In this article we will discuss about the anatomy of sycon. L.S. of Sycon: Fig. 93. L.S SYCON 1. Body wall is diploblastic with an outer ectodermal or dermal epithelial layer and inner gastric epithelial layer or endoderm. 2. Non-cellular mesenchyme layer with interspersed monaxon and triaxon spicules is present in between the two layers. 3. The dermal epithelium is [...]
The below mentioned article provides a diagram of amphiblastula (larva). 1. It is a free swimming larval stage of Sycon and many other calcareous sponges. 2. The body is some what ovoid in form and is comprised of an anterior half of small flagellated micromere cells and a posterior half of large non-flagellated macromere cells. 3. It encloses a small [...]
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. [...]