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Showing posts from January, 2014

NERVOUS CO-ORDINATION IN ANIMALS

NERVOUS CO-ORDINATION IN ANIMALS NERVOUS SYSTEM OF COCKROACH             A) CENTRAL NERVOUS SYSTEM (CNS)                         a) Supra oesophageal ganglia (Brain)                                                 I. Protocerebrum (Dorsal)                                                 II. Deutocerebrum (Middle)                                                 III.Tritocerebrum (Ventrolateral)                         b) Sub- oesophageal ganglia (a pair)                         c) Circum oesophageal connectives                         d) Nerve cord-( 9ganglia)                                                 I. Thorax ganglia ( 3 in no.)                                                             (1.Prothorax, 2. Mesothorax, 3. Metathorax)                                                 II. Abdominal ganglia (6 in no.)             B) Peripheral Nervous system(PNS)                          From CNS----> a) Supra oesophageal ganglia (Brain)