Tag Archives | Excretory System

Nephridium : Meaning, Physiology and Function

In this article we will discuss about Nephridium of Annelida:- 1. Definition of Nephridium 2. Research Work on Excretory System 3. Classification of Nephridia 4. Physiology 5. Functions. Definition of Nephridium: An excretory tubule which opens to the exte­rior through the nephridiopore and the inner end of the tubule is blind (associated with termi­nal cells or solenocytes) in the protonephridium [...]

By |2016-05-27T11:33:19+00:00May 27, 2016|Phylum Annelida|Comments Off on Nephridium : Meaning, Physiology and Function
Read More

Excretory System of Nephridia (Earthworm)

Excretory System of Nephridia (Earthworm)! These are of three types according to their location in the body: 1. Septal nephridia; 2. Integumentary nephridia  3. Pharyngeal nephridia. 1. Septal Nephridia: These are found situated on the inter-seg­mental septum between 15th and 16th segments to the posterior side of the body. Each septum bears nephridia on both the surfaces arranged in semicircles [...]

By |2016-05-02T10:28:56+00:00May 2, 2016|Earthworms|Comments Off on Excretory System of Nephridia (Earthworm)
Read More
Go to Top