INSECT NERVOUS SYSTEMS AND SENSE ORGANS
Types of Neurons unipolar bipolar multipolar axon
Insect Central Nervous System brainsubesophageal ganglion thoracic ganglia abdominal ganglia
Insect Brain protocerebrum hypocerebral ganglion recurrent nerve subesophageal ganglion tritocerebrum deutocerebrum frontal ganglion
corpus pedunculatum optic lobe hypocerebral ganglion recurrent nerve subesophageal ganglion frontal ganglion corpora cardiaca corpora allata Insect Brain - Dorsal View ingluvial nerve ingluvial ganglion
Stomatogastric Nervous System hypocerebral ganglion recurrent nerve frontal ganglion ingluvial nerve ingluvial ganglion
Sensory Organs - Mechanoreceptors seta (hair) epithelium trichogen cell tormogen cell membrane bipolar neuron HAIR SENSILLUM (TRICHOID SENSILLUM)
Sensory Organs - Mechanoreceptors coeloconic ampullaceous campaniform placoid
Sensory Organs - Mechanoreceptors Chordotonal organs scolopale neuron scolopidium
Johnston’s Organ
Chemoreceptors Thin-walledThick-walled
Chemoreceptors Thin-walled coeloconic plate basiconic
Insect Eyes
lens crystalline cone Semper’s cell primary pigment cell secondary pigment cell retinular cell rhabdom axons to CNS basement membrane Insect Eye
Two kinds of Eye