ADVERTISEMENTS: In this essay we will discuss about Cockroach. Evoked responses are generated by electrical stimulation of the cercal nerve or direct mechanical stimulation of the cerci. Difference between male and female cockroach 5. Morphology and Anatomy of Cockroach In this section, you will delve a bit further to examine the morphology and anatomy of cockroach. Endoskeleton 5. Digestive System 6. A cockroach has three main body parts, namely the head, thorax, and abdomen. This article describes the cockroach ventral nerve cord dissection and extracellular recordings from the cercal nerve and connectives. The remaining wastes leave the body through the rectum, which is also part of the excretory system. In cockroach, there is an accessory pulsatile vesicle at the base of each antenna which also pumps blood. In the head region, the brain is represented by supra-oesophageal ganglion. are the sense organs in cockroach. The central nervous system of cockroach (Fig. Nervous System 12. Habitat and Habits of Cockroach 2. Endocrine System […] Nervous System Exchange of gases takes place by diffusion. Nervous system . In cockroach, the respiratory system has a network of the trachea. 1.2) consists of the supra-oesophageal or cerebral ganglia, sub-oesophageal ganglia and circum oesophageal … Feature of cockroach 3. Thin tubes carry oxygen from the air to all the parts of the body. Digestive Glands 7. Anatomy 4. Morphology of Cockroach 3. Respiratory System. The nervous system of cockroach consists of a nerve ring and a ganglionated double ventral nerve cord, sub-oesophageal ganglion , circum– oesophageal connectives and double ventral nerve cord (Figure 4.13). It supplies nerves to antennae and compound eyes. COCKROACH The slide contain about- 1. Heart 8. The cockroach ventral nerve cord preparation is a tractable system for neuroethology experiments, neural network modeling, and testing the physiological effects of insecticides. After reading this essay you will learn about: 1. However, much of their nervous system activity takes place in nerve ganglia located throughout their bodies. The spiracles are regulated by the sphincters. ADVERTISEMENTS: The Nervous System of Cockroach can be Divisible into Three Parts: (i) The central nervous system, (ii) Peripheral nervous system, ADVERTISEMENTS: (iii) Visceral or sympathetic nervous system. It also has a hard outer-body covering known as the exoskeleton. Mechanism of Respiration 10. Sense Organs: Antennae, eyes, maxillary palps, labial palps, anal cerci, etc. This is one of the reasons why a … They open through 10 pairs of spiracles that are present on the lateral side of the body. The nervous system of cockroach consists of a nerve ring and a ganglionated double ventral nerve cord, sub-oesophageal ganglion , circum– oesophageal connectives and double ventral nerve cord (Figure 4.13). Roaches' heads house their eyes, antennae and mouthparts. 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