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 following points highlight the fifteen interesting forms of Mollusca. The forms are: 1. Solen 2. Pecten 3. Mytilus 4. Teredo 5. Aplysia 6. Doris 7. Aeolis 8. Onchidium 9. Patella 10. Spiratella 11. Cypraea 12. Loligo 13. Octopus 14. Argonauta 15. Nautilus. Molluscs: Form # 1. Solen: Solen is a burrowing bivalve and is generally called 'Razor shell'. The [...]
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 [...]