Learn about the comparison between nervous system of Unio and Pila. Comparison # Unio: 1. The nervous system of Unio is symmetrically arranged on two sides of the body. 2. The ganglia are widely separated by long connectives in Unio. 3. Cerebral ganglia are two in number. These ganglia are to be called cerebropleural ganglia. Each ganglion is formed by [...]
The nervous system in Molluscs (Figs. 16.68-16.70) presents numerous diversities. It exhibits gradual coming up of complexities from simple to complex which can be marshalled into one perspective—the nervous co-ordination. Prior to the description of the nervous system in different forms of Molluscs a basic plan of the Molluscan nervous system is to be considered first. Hypothetical Plan of Molluscan [...]
In this article we will discuss about the central, peripheral and sympathetic nervous system of cockroach. Central Nervous System of Cockroach: The central nervous system consists of the supra-oesophageal ganglion or brain, sub- oesophageal ganglion and the nerve cord. The supra-oesophageal ganglion or cerebral ganglion is a bilobed structure situated in the head in front of oesophagus, above the tentorium [...]