Distinguish between the following
(b) Septal nephridium and pharyngeal nephridium
Septal nephridia |
Pharangeal nephridia. |
Present on both side of the intersegmental septa of segment 15 to the last that open into the intestine. |
Present as three paired tufts in the 4th, 5th, and 6th segments |
What are the following and where do you find them in animal body
(c) Ciliated epithelium